[react-interactions] Add onFocusWithin event to FocusWithin responder

[trueadm]

This adds the onFocusWithin event callback to the FocusWithin event responder. We already have onBlurWithin which is required for our rich internal focus management and accessibility component experiments and now we also need onFocusWithin so we can properly handle cases where we need to remember the last focused node in the cases where we have to restore focus.

[sizebot]

Details of bundled changes.

Comparing: 4cb399a...a0c50a0

react-interactions

File	Filesize Diff	Gzip Diff	Prev Size	Current Size	Prev Gzip	Current Gzip	ENV
react-interactions-events/focus.development.js	+3.9%	+0.9%	11.81 KB	12.27 KB	2.57 KB	2.59 KB	UMD_DEV
react-interactions-events/press.development.js	0.0%	-0.0%	9.02 KB	9.02 KB	2.66 KB	2.66 KB	UMD_DEV
react-interactions-events/tap.development.js	0.0%	-0.0%	18.17 KB	18.17 KB	3.92 KB	3.91 KB	UMD_DEV
react-interactions-events/focus.production.min.js	🔺+2.6%	🔺+1.1%	4.31 KB	4.42 KB	1.46 KB	1.47 KB	UMD_PROD
react-interactions-events/press.production.min.js	0.0%	-0.1%	2.62 KB	2.62 KB	1.09 KB	1.09 KB	UMD_PROD
react-interactions-events/tap.production.min.js	0.0%	-0.1%	6.31 KB	6.31 KB	2.37 KB	2.36 KB	UMD_PROD
react-interactions-events/context-menu.development.js	0.0%	-0.1%	2.68 KB	2.68 KB	1006 B	1005 B	UMD_DEV
react-interactions-events/input.development.js	0.0%	-0.1%	4.52 KB	4.52 KB	1.44 KB	1.44 KB	UMD_DEV
react-interactions-events/scroll.development.js	0.0%	+0.1%	6.3 KB	6.3 KB	1.65 KB	1.65 KB	UMD_DEV
react-interactions-events/input.production.min.js	0.0%	-0.1%	1.84 KB	1.84 KB	984 B	983 B	UMD_PROD
react-interactions-events/scroll.production.min.js	0.0%	-0.1%	2.63 KB	2.63 KB	1.15 KB	1.15 KB	UMD_PROD
react-interactions-events/context-menu.development.js	0.0%	-0.2%	2.49 KB	2.49 KB	961 B	959 B	NODE_DEV
react-interactions-events/input.development.js	0.0%	-0.1%	4.34 KB	4.34 KB	1.4 KB	1.4 KB	NODE_DEV
react-interactions-events/context-menu.production.min.js	0.0%	-0.1%	1.2 KB	1.2 KB	668 B	667 B	NODE_PROD
react-interactions-events/input.production.min.js	0.0%	-0.2%	1.66 KB	1.66 KB	917 B	915 B	NODE_PROD
react-interactions-events/scroll.production.min.js	0.0%	-0.1%	2.44 KB	2.44 KB	1.09 KB	1.09 KB	NODE_PROD
react-interactions-events/hover.development.js	0.0%	-0.1%	7 KB	7 KB	1.56 KB	1.55 KB	UMD_DEV
react-interactions-events/press-legacy.development.js	0.0%	-0.0%	24.6 KB	24.6 KB	6.07 KB	6.07 KB	UMD_DEV
react-interactions-events/hover.production.min.js	0.0%	-0.1%	3.12 KB	3.12 KB	1.13 KB	1.13 KB	UMD_PROD
react-interactions-events/press-legacy.production.min.js	0.0%	-0.0%	7.31 KB	7.31 KB	2.77 KB	2.77 KB	UMD_PROD
react-interactions-events/hover.development.js	0.0%	-0.1%	6.82 KB	6.82 KB	1.51 KB	1.51 KB	NODE_DEV
react-interactions-events/press-legacy.development.js	0.0%	-0.0%	24.41 KB	24.41 KB	6.02 KB	6.02 KB	NODE_DEV
react-interactions-events/hover.production.min.js	0.0%	-0.2%	2.94 KB	2.94 KB	1.07 KB	1.07 KB	NODE_PROD
react-interactions-events/press-legacy.production.min.js	0.0%	-0.1%	7.13 KB	7.13 KB	2.71 KB	2.71 KB	NODE_PROD
react-interactions-events/focus.development.js	+3.9%	+0.9%	11.63 KB	12.09 KB	2.53 KB	2.55 KB	NODE_DEV
react-interactions-events/press.development.js	0.0%	-0.1%	8.73 KB	8.73 KB	2.58 KB	2.58 KB	NODE_DEV
react-interactions-events/tap.development.js	0.0%	-0.1%	17.99 KB	17.99 KB	3.86 KB	3.86 KB	NODE_DEV
react-interactions-events/focus.production.min.js	🔺+2.7%	🔺+1.1%	4.14 KB	4.25 KB	1.4 KB	1.42 KB	NODE_PROD
react-interactions-events/press.production.min.js	0.0%	-0.2%	2.33 KB	2.33 KB	1 KB	1 KB	NODE_PROD
react-interactions-events/tap.production.min.js	0.0%	-0.1%	6.15 KB	6.15 KB	2.32 KB	2.32 KB	NODE_PROD
react-interactions-events/drag.development.js	0.0%	-0.1%	5.23 KB	5.23 KB	1.54 KB	1.54 KB	UMD_DEV
react-interactions-events/keyboard.development.js	0.0%	-0.0%	5.97 KB	5.97 KB	2.24 KB	2.24 KB	UMD_DEV
react-interactions-events/swipe.development.js	0.0%	-0.1%	6 KB	6 KB	1.63 KB	1.62 KB	UMD_DEV
react-interactions-events/drag.production.min.js	0.0%	-0.2%	2.25 KB	2.25 KB	1.07 KB	1.07 KB	UMD_PROD
ReactEventsFocus-dev.js	+4.2%	+1.0%	11.59 KB	12.07 KB	2.54 KB	2.57 KB	FB_WWW_DEV
react-interactions-events/swipe.production.min.js	0.0%	-0.1%	2.45 KB	2.45 KB	1.11 KB	1.1 KB	UMD_PROD
ReactEventsFocus-prod.js	🔺+3.3%	🔺+2.0%	8.5 KB	8.78 KB	1.79 KB	1.83 KB	FB_WWW_PROD
react-interactions-events/swipe.development.js	0.0%	-0.1%	5.82 KB	5.82 KB	1.58 KB	1.58 KB	NODE_DEV
react-interactions-events/drag.production.min.js	0.0%	-0.1%	2.88 KB	2.88 KB	1.38 KB	1.38 KB	NODE_PROD
react-interactions-events/swipe.production.min.js	0.0%	-0.1%	2.27 KB	2.27 KB	1.05 KB	1.05 KB	NODE_PROD

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