[SharedUX] Platform Flyout MVP

[tsullivan]

Summary

Epic: https://github.com/elastic/kibana-team/issues/1606

Flyout.Demo.2.mp4

Checklist

Check the PR satisfies following conditions.

Reviewers should verify this PR satisfies this list as well.

• Any text added follows EUI's writing guidelines, uses sentence case text and includes i18n support
• Documentation was added for features that require explanation or tutorials
• Unit or functional tests were updated or added to match the most common scenarios
• If a plugin configuration key changed, check if it needs to be allowlisted in the cloud and added to the docker list
• This was checked for breaking HTTP API changes, and any breaking changes have been approved by the breaking-change committee. The release_note:breaking label should be applied in these situations.
• Flaky Test Runner was used on any tests changed
• The PR description includes the appropriate Release Notes section, and the correct release_note:* label is applied per the guidelines

Identify risks

Does this PR introduce any risks? For example, consider risks like hard to test bugs, performance regression, potential of data loss.

Describe the risk, its severity, and mitigation for each identified risk. Invite stakeholders and evaluate how to proceed before merging.

• See some risk examples
• ...

[elasticmachine]

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[elasticmachine]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: 2ea2b7e

Failed CI Steps

• FTR Configs #10
• FTR Configs #44
• FTR Configs #51
• FTR Configs #67
• FTR Configs #82
• FTR Configs #115

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
core	395	399	+4

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
@kbn/core-overlays-browser	28	62	+34

Public APIs missing exports

Total count of every type that is part of your API that should be exported but is not. This will cause broken links in the API documentation system. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats exports for more detailed information.

id	before	after	diff
@kbn/core	874	877	+3

Page load bundle

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

id	before	after	diff
core	440.0KB	445.2KB	+5.3KB

Unknown metric groups

API count

id	before	after	diff
@kbn/core-overlays-browser	53	87	+34

History

• 💔 Build #306010 failed 51eb93b
• 💔 Build #305825 failed 6410e8f
• 💔 Build #305547 failed c37f0ca
• 💔 Build #305542 failed ae9668d
• 💔 Build #305538 failed c038a0f

[tsullivan]

Replaced with #233806