[7.x] [Index management] Treat indices beginning with a period as regular indices (#112990)

[sebelga]

Backports the following commits to 7.x:

• [Index management] Treat indices beginning with a period as regular indices ([Index management] Treat indices beginning with a period as regular indices #112990)

[kibanamachine]

💚 Build Succeeded

• continuous-integration/kibana-ci/pull-request
• Commit: 7d2dc98
• Storybooks Preview

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
indexManagement	503	509	+6

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
indexManagement	160	163	+3

Any counts in public APIs

Total count of every any typed public API. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats any for more detailed information.

id	before	after	diff
indexManagement	12	9	-3

Async chunks

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

id	before	after	diff
indexManagement	529.0KB	536.2KB	+7.3KB

Unknown metric groups

API count

id	before	after	diff
indexManagement	165	168	+3

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@elasticmachine merge upstream