List block: fix merging nested list into paragraph

[ellatrix]

What?

Best reviewed without whitespace changes.

Recording: backspace + undo

Before	After

Why?

Nested items are lost.

How?

Fixes the list item => paragraph transform.

Note that I've also fixed the undo (by batching all actions).

Testing Instructions

See added e2e test

Testing Instructions for Keyboard

Screenshots or screencast

[mcsf]

Thanks so much for the super quick fix!

[github-actions]

Size Change: +25 B (0%)

Total Size: 1.39 MB

Filename	Size	Change
build/block-editor/index.min.js	205 kB	+1 B (0%)
build/block-library/index.min.js	205 kB	+24 B (0%)

ℹ️ View Unchanged

Filename	Size
build/a11y/index.min.js	993 B
build/annotations/index.min.js	2.78 kB
build/api-fetch/index.min.js	2.33 kB
build/autop/index.min.js	2.15 kB
build/blob/index.min.js	483 B
build/block-directory/index.min.js	7.2 kB
build/block-directory/style-rtl.css	1.05 kB
build/block-directory/style.css	1.05 kB
build/block-editor/content-rtl.css	4.17 kB
build/block-editor/content.css	4.16 kB
build/block-editor/default-editor-styles-rtl.css	403 B
build/block-editor/default-editor-styles.css	403 B
build/block-editor/style-rtl.css	15.4 kB
build/block-editor/style.css	15.3 kB
build/block-library/blocks/archives/editor-rtl.css	61 B
build/block-library/blocks/archives/editor.css	60 B
build/block-library/blocks/archives/style-rtl.css	90 B
build/block-library/blocks/archives/style.css	90 B
build/block-library/blocks/audio/editor-rtl.css	150 B
build/block-library/blocks/audio/editor.css	150 B
build/block-library/blocks/audio/style-rtl.css	122 B
build/block-library/blocks/audio/style.css	122 B
build/block-library/blocks/audio/theme-rtl.css	138 B
build/block-library/blocks/audio/theme.css	138 B
build/block-library/blocks/avatar/editor-rtl.css	116 B
build/block-library/blocks/avatar/editor.css	116 B
build/block-library/blocks/avatar/style-rtl.css	91 B
build/block-library/blocks/avatar/style.css	91 B
build/block-library/blocks/block/editor-rtl.css	305 B
build/block-library/blocks/block/editor.css	305 B
build/block-library/blocks/button/editor-rtl.css	587 B
build/block-library/blocks/button/editor.css	587 B
build/block-library/blocks/button/style-rtl.css	628 B
build/block-library/blocks/button/style.css	627 B
build/block-library/blocks/buttons/editor-rtl.css	337 B
build/block-library/blocks/buttons/editor.css	337 B
build/block-library/blocks/buttons/style-rtl.css	332 B
build/block-library/blocks/buttons/style.css	332 B
build/block-library/blocks/calendar/style-rtl.css	239 B
build/block-library/blocks/calendar/style.css	239 B
build/block-library/blocks/categories/editor-rtl.css	113 B
build/block-library/blocks/categories/editor.css	112 B
build/block-library/blocks/categories/style-rtl.css	124 B
build/block-library/blocks/categories/style.css	124 B
build/block-library/blocks/code/editor-rtl.css	53 B
build/block-library/blocks/code/editor.css	53 B
build/block-library/blocks/code/style-rtl.css	121 B
build/block-library/blocks/code/style.css	121 B
build/block-library/blocks/code/theme-rtl.css	124 B
build/block-library/blocks/code/theme.css	124 B
build/block-library/blocks/columns/editor-rtl.css	108 B
build/block-library/blocks/columns/editor.css	108 B
build/block-library/blocks/columns/style-rtl.css	409 B
build/block-library/blocks/columns/style.css	409 B
build/block-library/blocks/comment-author-avatar/editor-rtl.css	125 B
build/block-library/blocks/comment-author-avatar/editor.css	125 B
build/block-library/blocks/comment-content/style-rtl.css	92 B
build/block-library/blocks/comment-content/style.css	92 B
build/block-library/blocks/comment-template/style-rtl.css	199 B
build/block-library/blocks/comment-template/style.css	198 B
build/block-library/blocks/comments-pagination-numbers/editor-rtl.css	123 B
build/block-library/blocks/comments-pagination-numbers/editor.css	121 B
build/block-library/blocks/comments-pagination/editor-rtl.css	222 B
build/block-library/blocks/comments-pagination/editor.css	209 B
build/block-library/blocks/comments-pagination/style-rtl.css	235 B
build/block-library/blocks/comments-pagination/style.css	231 B
build/block-library/blocks/comments-title/editor-rtl.css	75 B
build/block-library/blocks/comments-title/editor.css	75 B
build/block-library/blocks/comments/editor-rtl.css	840 B
build/block-library/blocks/comments/editor.css	839 B
build/block-library/blocks/comments/style-rtl.css	637 B
build/block-library/blocks/comments/style.css	636 B
build/block-library/blocks/cover/editor-rtl.css	647 B
build/block-library/blocks/cover/editor.css	650 B
build/block-library/blocks/cover/style-rtl.css	1.62 kB
build/block-library/blocks/cover/style.css	1.61 kB
build/block-library/blocks/details/editor-rtl.css	65 B
build/block-library/blocks/details/editor.css	65 B
build/block-library/blocks/details/style-rtl.css	159 B
build/block-library/blocks/details/style.css	159 B
build/block-library/blocks/embed/editor-rtl.css	293 B
build/block-library/blocks/embed/editor.css	293 B
build/block-library/blocks/embed/style-rtl.css	410 B
build/block-library/blocks/embed/style.css	410 B
build/block-library/blocks/embed/theme-rtl.css	138 B
build/block-library/blocks/embed/theme.css	138 B
build/block-library/blocks/file/editor-rtl.css	300 B
build/block-library/blocks/file/editor.css	300 B
build/block-library/blocks/file/style-rtl.css	269 B
build/block-library/blocks/file/style.css	270 B
build/block-library/blocks/file/view.min.js	379 B
build/block-library/blocks/freeform/editor-rtl.css	2.44 kB
build/block-library/blocks/freeform/editor.css	2.44 kB
build/block-library/blocks/gallery/editor-rtl.css	957 B
build/block-library/blocks/gallery/editor.css	962 B
build/block-library/blocks/gallery/style-rtl.css	1.55 kB
build/block-library/blocks/gallery/style.css	1.55 kB
build/block-library/blocks/gallery/theme-rtl.css	122 B
build/block-library/blocks/gallery/theme.css	122 B
build/block-library/blocks/group/editor-rtl.css	654 B
build/block-library/blocks/group/editor.css	654 B
build/block-library/blocks/group/style-rtl.css	57 B
build/block-library/blocks/group/style.css	57 B
build/block-library/blocks/group/theme-rtl.css	78 B
build/block-library/blocks/group/theme.css	78 B
build/block-library/blocks/heading/style-rtl.css	76 B
build/block-library/blocks/heading/style.css	76 B
build/block-library/blocks/html/editor-rtl.css	340 B
build/block-library/blocks/html/editor.css	341 B
build/block-library/blocks/image/editor-rtl.css	834 B
build/block-library/blocks/image/editor.css	833 B
build/block-library/blocks/image/style-rtl.css	652 B
build/block-library/blocks/image/style.css	652 B
build/block-library/blocks/image/theme-rtl.css	137 B
build/block-library/blocks/image/theme.css	137 B
build/block-library/blocks/latest-comments/style-rtl.css	357 B
build/block-library/blocks/latest-comments/style.css	357 B
build/block-library/blocks/latest-posts/editor-rtl.css	213 B
build/block-library/blocks/latest-posts/editor.css	212 B
build/block-library/blocks/latest-posts/style-rtl.css	478 B
build/block-library/blocks/latest-posts/style.css	478 B
build/block-library/blocks/list/style-rtl.css	88 B
build/block-library/blocks/list/style.css	88 B
build/block-library/blocks/media-text/editor-rtl.css	266 B
build/block-library/blocks/media-text/editor.css	263 B
build/block-library/blocks/media-text/style-rtl.css	507 B
build/block-library/blocks/media-text/style.css	505 B
build/block-library/blocks/more/editor-rtl.css	431 B
build/block-library/blocks/more/editor.css	431 B
build/block-library/blocks/navigation-link/editor-rtl.css	716 B
build/block-library/blocks/navigation-link/editor.css	715 B
build/block-library/blocks/navigation-link/style-rtl.css	115 B
build/block-library/blocks/navigation-link/style.css	115 B
build/block-library/blocks/navigation-submenu/editor-rtl.css	299 B
build/block-library/blocks/navigation-submenu/editor.css	299 B
build/block-library/blocks/navigation/editor-rtl.css	2.13 kB
build/block-library/blocks/navigation/editor.css	2.14 kB
build/block-library/blocks/navigation/style-rtl.css	2.22 kB
build/block-library/blocks/navigation/style.css	2.21 kB
build/block-library/blocks/navigation/view-modal.min.js	2.81 kB
build/block-library/blocks/navigation/view.min.js	447 B
build/block-library/blocks/nextpage/editor-rtl.css	395 B
build/block-library/blocks/nextpage/editor.css	395 B
build/block-library/blocks/page-list/editor-rtl.css	401 B
build/block-library/blocks/page-list/editor.css	401 B
build/block-library/blocks/page-list/style-rtl.css	175 B
build/block-library/blocks/page-list/style.css	175 B
build/block-library/blocks/paragraph/editor-rtl.css	174 B
build/block-library/blocks/paragraph/editor.css	174 B
build/block-library/blocks/paragraph/style-rtl.css	279 B
build/block-library/blocks/paragraph/style.css	281 B
build/block-library/blocks/post-author/style-rtl.css	175 B
build/block-library/blocks/post-author/style.css	176 B
build/block-library/blocks/post-comments-form/editor-rtl.css	96 B
build/block-library/blocks/post-comments-form/editor.css	96 B
build/block-library/blocks/post-comments-form/style-rtl.css	501 B
build/block-library/blocks/post-comments-form/style.css	501 B
build/block-library/blocks/post-date/style-rtl.css	61 B
build/block-library/blocks/post-date/style.css	61 B
build/block-library/blocks/post-excerpt/editor-rtl.css	71 B
build/block-library/blocks/post-excerpt/editor.css	71 B
build/block-library/blocks/post-excerpt/style-rtl.css	141 B
build/block-library/blocks/post-excerpt/style.css	141 B
build/block-library/blocks/post-featured-image/editor-rtl.css	588 B
build/block-library/blocks/post-featured-image/editor.css	586 B
build/block-library/blocks/post-featured-image/style-rtl.css	322 B
build/block-library/blocks/post-featured-image/style.css	322 B
build/block-library/blocks/post-navigation-link/style-rtl.css	153 B
build/block-library/blocks/post-navigation-link/style.css	153 B
build/block-library/blocks/post-template/editor-rtl.css	99 B
build/block-library/blocks/post-template/editor.css	98 B
build/block-library/blocks/post-template/style-rtl.css	281 B
build/block-library/blocks/post-template/style.css	281 B
build/block-library/blocks/post-terms/style-rtl.css	96 B
build/block-library/blocks/post-terms/style.css	96 B
build/block-library/blocks/post-time-to-read/style-rtl.css	69 B
build/block-library/blocks/post-time-to-read/style.css	69 B
build/block-library/blocks/post-title/style-rtl.css	100 B
build/block-library/blocks/post-title/style.css	100 B
build/block-library/blocks/preformatted/style-rtl.css	103 B
build/block-library/blocks/preformatted/style.css	103 B
build/block-library/blocks/pullquote/editor-rtl.css	135 B
build/block-library/blocks/pullquote/editor.css	135 B
build/block-library/blocks/pullquote/style-rtl.css	335 B
build/block-library/blocks/pullquote/style.css	335 B
build/block-library/blocks/pullquote/theme-rtl.css	167 B
build/block-library/blocks/pullquote/theme.css	167 B
build/block-library/blocks/query-pagination-numbers/editor-rtl.css	122 B
build/block-library/blocks/query-pagination-numbers/editor.css	121 B
build/block-library/blocks/query-pagination/editor-rtl.css	221 B
build/block-library/blocks/query-pagination/editor.css	211 B
build/block-library/blocks/query-pagination/style-rtl.css	288 B
build/block-library/blocks/query-pagination/style.css	284 B
build/block-library/blocks/query-title/style-rtl.css	63 B
build/block-library/blocks/query-title/style.css	63 B
build/block-library/blocks/query/editor-rtl.css	450 B
build/block-library/blocks/query/editor.css	449 B
build/block-library/blocks/quote/style-rtl.css	222 B
build/block-library/blocks/quote/style.css	222 B
build/block-library/blocks/quote/theme-rtl.css	223 B
build/block-library/blocks/quote/theme.css	226 B
build/block-library/blocks/read-more/style-rtl.css	132 B
build/block-library/blocks/read-more/style.css	132 B
build/block-library/blocks/rss/editor-rtl.css	149 B
build/block-library/blocks/rss/editor.css	149 B
build/block-library/blocks/rss/style-rtl.css	289 B
build/block-library/blocks/rss/style.css	288 B
build/block-library/blocks/search/editor-rtl.css	178 B
build/block-library/blocks/search/editor.css	178 B
build/block-library/blocks/search/style-rtl.css	434 B
build/block-library/blocks/search/style.css	432 B
build/block-library/blocks/search/theme-rtl.css	114 B
build/block-library/blocks/search/theme.css	114 B
build/block-library/blocks/separator/editor-rtl.css	146 B
build/block-library/blocks/separator/editor.css	146 B
build/block-library/blocks/separator/style-rtl.css	234 B
build/block-library/blocks/separator/style.css	234 B
build/block-library/blocks/separator/theme-rtl.css	194 B
build/block-library/blocks/separator/theme.css	194 B
build/block-library/blocks/shortcode/editor-rtl.css	329 B
build/block-library/blocks/shortcode/editor.css	329 B
build/block-library/blocks/site-logo/editor-rtl.css	760 B
build/block-library/blocks/site-logo/editor.css	760 B
build/block-library/blocks/site-logo/style-rtl.css	203 B
build/block-library/blocks/site-logo/style.css	203 B
build/block-library/blocks/site-tagline/editor-rtl.css	86 B
build/block-library/blocks/site-tagline/editor.css	86 B
build/block-library/blocks/site-title/editor-rtl.css	116 B
build/block-library/blocks/site-title/editor.css	116 B
build/block-library/blocks/site-title/style-rtl.css	57 B
build/block-library/blocks/site-title/style.css	57 B
build/block-library/blocks/social-link/editor-rtl.css	184 B
build/block-library/blocks/social-link/editor.css	184 B
build/block-library/blocks/social-links/editor-rtl.css	674 B
build/block-library/blocks/social-links/editor.css	673 B
build/block-library/blocks/social-links/style-rtl.css	1.4 kB
build/block-library/blocks/social-links/style.css	1.39 kB
build/block-library/blocks/spacer/editor-rtl.css	359 B
build/block-library/blocks/spacer/editor.css	359 B
build/block-library/blocks/spacer/style-rtl.css	48 B
build/block-library/blocks/spacer/style.css	48 B
build/block-library/blocks/table/editor-rtl.css	433 B
build/block-library/blocks/table/editor.css	433 B
build/block-library/blocks/table/style-rtl.css	651 B
build/block-library/blocks/table/style.css	650 B
build/block-library/blocks/table/theme-rtl.css	157 B
build/block-library/blocks/table/theme.css	157 B
build/block-library/blocks/tag-cloud/style-rtl.css	251 B
build/block-library/blocks/tag-cloud/style.css	253 B
build/block-library/blocks/template-part/editor-rtl.css	403 B
build/block-library/blocks/template-part/editor.css	403 B
build/block-library/blocks/template-part/theme-rtl.css	101 B
build/block-library/blocks/template-part/theme.css	101 B
build/block-library/blocks/text-columns/editor-rtl.css	95 B
build/block-library/blocks/text-columns/editor.css	95 B
build/block-library/blocks/text-columns/style-rtl.css	166 B
build/block-library/blocks/text-columns/style.css	166 B
build/block-library/blocks/verse/style-rtl.css	99 B
build/block-library/blocks/verse/style.css	99 B
build/block-library/blocks/video/editor-rtl.css	552 B
build/block-library/blocks/video/editor.css	555 B
build/block-library/blocks/video/style-rtl.css	179 B
build/block-library/blocks/video/style.css	179 B
build/block-library/blocks/video/theme-rtl.css	139 B
build/block-library/blocks/video/theme.css	139 B
build/block-library/classic-rtl.css	179 B
build/block-library/classic.css	179 B
build/block-library/common-rtl.css	1.12 kB
build/block-library/common.css	1.12 kB
build/block-library/editor-elements-rtl.css	75 B
build/block-library/editor-elements.css	75 B
build/block-library/editor-rtl.css	11.8 kB
build/block-library/editor.css	11.8 kB
build/block-library/elements-rtl.css	54 B
build/block-library/elements.css	54 B
build/block-library/interactive-blocks/interactivity.min.js	2.19 kB
build/block-library/interactive-blocks/navigation.min.js	841 B
build/block-library/interactive-blocks/vendors.min.js	8.15 kB
build/block-library/reset-rtl.css	478 B
build/block-library/reset.css	478 B
build/block-library/style-rtl.css	12.8 kB
build/block-library/style.css	12.8 kB
build/block-library/theme-rtl.css	698 B
build/block-library/theme.css	703 B
build/block-serialization-default-parser/index.min.js	1.13 kB
build/block-serialization-spec-parser/index.min.js	2.83 kB
build/blocks/index.min.js	51.1 kB
build/commands/index.min.js	15 kB
build/commands/style-rtl.css	807 B
build/commands/style.css	804 B
build/components/index.min.js	210 kB
build/components/style-rtl.css	11.8 kB
build/components/style.css	11.8 kB
build/compose/index.min.js	12.4 kB
build/core-commands/index.min.js	1.84 kB
build/core-data/index.min.js	16.6 kB
build/customize-widgets/index.min.js	12.2 kB
build/customize-widgets/style-rtl.css	1.41 kB
build/customize-widgets/style.css	1.41 kB
build/data-controls/index.min.js	718 B
build/data/index.min.js	8.73 kB
build/date/index.min.js	40.5 kB
build/deprecated/index.min.js	518 B
build/dom-ready/index.min.js	336 B
build/dom/index.min.js	4.76 kB
build/edit-post/classic-rtl.css	571 B
build/edit-post/classic.css	571 B
build/edit-post/index.min.js	35.4 kB
build/edit-post/style-rtl.css	7.84 kB
build/edit-post/style.css	7.83 kB
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build/edit-site/style-rtl.css	10.6 kB
build/edit-site/style.css	10.6 kB
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build/edit-widgets/style-rtl.css	4.58 kB
build/edit-widgets/style.css	4.58 kB
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build/editor/style-rtl.css	3.59 kB
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build/element/index.min.js	4.95 kB
build/escape-html/index.min.js	548 B
build/format-library/index.min.js	7.8 kB
build/format-library/style-rtl.css	577 B
build/format-library/style.css	577 B
build/hooks/index.min.js	1.66 kB
build/html-entities/index.min.js	454 B
build/i18n/index.min.js	3.75 kB
build/is-shallow-equal/index.min.js	535 B
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build/list-reusable-blocks/style-rtl.css	865 B
build/list-reusable-blocks/style.css	865 B
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build/notices/index.min.js	977 B
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build/preferences/index.min.js	1.35 kB
build/primitives/index.min.js	960 B
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build/private-apis/index.min.js	952 B
build/react-i18n/index.min.js	702 B
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build/reusable-blocks/style-rtl.css	265 B
build/reusable-blocks/style.css	265 B
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build/style-engine/index.min.js	1.55 kB
build/token-list/index.min.js	650 B
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build/warning/index.min.js	280 B
build/widgets/index.min.js	7.3 kB
build/widgets/style-rtl.css	1.18 kB
build/widgets/style.css	1.18 kB
build/wordcount/index.min.js	1.06 kB

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[mtias]

Thanks for this!