[Lens] Build endzone markers

[flash1293]

Fixes #64544

Adds endzone markers for partial date buckets to the xy chart.

Can be disabled using a setting in the x axis menu

[flash1293]

@elasticmachine merge upstream

[elasticmachine]

Pinging @elastic/kibana-app (Team:KibanaApp)

[wylieconlon]

The code looks good, but I found a weird charts rendering issue in the horizontal chart. I think this is probably a bug in elastic-charts. @markov00 what do you think?

[flash1293]

@elasticmachine merge upstream

[kibanamachine]

💚 Build Succeeded

• continuous-integration/kibana-ci/pull-request
• Commit: e3efd2a
• Storybooks Preview

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
lens	495	496	+1

Public APIs missing comments

Total count of every public API that lacks a comment. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats comments for more detailed information.

id	before	after	diff
lens	149	150	+1

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
lens	964.6KB	967.8KB	+3.1KB

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
lens	34.3KB	34.5KB	+233.0B

Unknown metric groups

API count

id	before	after	diff
lens	160	161	+1

History

• 💚 Build #121696 succeeded 760d613
• 💔 Build #121678 failed eeb7a85
• 💔 Build #121434 failed c6329f9

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

[kibanamachine]

💚 Backport successful

Status	Branch	Result
✅	7.x

This backport PR will be merged automatically after passing CI.