[Moving] Move Observability App folders into /x-pack/observability_solution

[CoenWarmer]

Summary

This PR is part of the initiative to consolidate Observability plugins into x-pack/plugins/observability_solution.

This PR is strictly a move and an update in references.

This was discussed and agreed upon with the Observability org in the Observability Office Hours meeting at the end of 2023.

Related PRs:

• Move APM
• Move Data Quality
• Move Exploratory View
• Move Infra
• Move Logs Explorer
• Move Logs Shared
• Move Observability AI Assistant
• Move Observability App <-- you are here
• Move Observability Onboarding
• Move Observability Shared
• Move Profiling
• Move Synthetics
• Move Uptime
• Move UX

[apmmachine]

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• /oblt-deploy : Deploy a Kibana instance using the Observability test environments.
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[elasticmachine]

Pinging @elastic/obs-ux-management-team (Team:obs-ux-management)

[bollinic]

Approving for onboarding

[CoenWarmer]

@CoenWarmer Not directly related to this PR, but you could please remove this line CoenWarmer/kibana@feat/move-obs-plugins-observability/.eslintrc.js#L918? It is again defined on line 920.

Done!

[colleenmcginnis]

I don't see any changes to the UI text, so this looks good from the docs perspective.

[ryankeairns]

Moved scss files

[kibana-ci]

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Failed CI Steps

• Jest Tests #4

Test Failures

• [job] [logs] Jest Tests #4 / RegisteredAttachmentsPropertyActions renders the correct number of actions

Metrics [docs]

Async chunks

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

id	before	after	diff
observability	658.1KB	658.1KB	-10.0B

History

• 💚 Build #195307 succeeded e64064b
• 💚 Build #195244 succeeded 128267a
• 💚 Build #195209 succeeded ae4bcc5
• 💔 Build #195189 failed 64fa370
• 💔 Build #195005 failed f39888f
• 💔 Build #194975 failed d5e414f

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@elasticmachine merge upstream