[Observability] Copy Exploratory View into a separate app

[CoenWarmer]

Resolves #153830

📝 Summary

This PR extracts the Exploratory View component that was inside the Observability app into its own app.

This is done to establish clearer boundaries between code owned by the Actionable Observability team and the Synthetics team.

All links to this route inside consuming applications (APM, Synthetics and UX) have been updated.

Changes:

• URL updated: app/observability/exploratory-view => app/exploratory-view
• Design and functionality are unchanged.

[apmmachine]

🤖 GitHub comments

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

@elasticmachine merge upstream

[kibana-ci]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: bca9273
• Storybooks Preview

Failed CI Steps

• APM Cypress Tests #4
• Synthetics @elastic/synthetics Tests

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
exploratoryView	-	207	+207

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
exploratoryView	-	339	+339
observability	644	646	+2
total			+341

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
exploratoryView	-	4	+4

Async chunks

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

id	before	after	diff
apm	3.8MB	3.8MB	+14.0B
exploratoryView	-	242.5KB	⚠️ +242.5KB
observability	1.1MB	1.1MB	+169.0B
synthetics	1.4MB	1.4MB	+28.0B
total			+242.7KB

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
exploratoryView	-	17	+17

Page load bundle

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

id	before	after	diff
apm	31.7KB	32.0KB	+346.0B
exploratoryView	-	58.4KB	+58.4KB
infra	88.0KB	88.3KB	+249.0B
observability	88.2KB	88.4KB	+148.0B
synthetics	26.6KB	27.0KB	+375.0B
ux	5.9KB	6.1KB	+243.0B
total			+59.7KB

Unknown metric groups

API count

id	before	after	diff
exploratoryView	-	342	+342
observability	650	652	+2
total			+344

async chunk count

id	before	after	diff
exploratoryView	-	12	+12

ESLint disabled in files

id	before	after	diff
exploratoryView	-	3	+3

ESLint disabled line counts

id	before	after	diff
exploratoryView	-	32	+32
securitySolution	433	436	+3
total			+35

References to deprecated APIs

id	before	after	diff
exploratoryView	-	66	+66

Total ESLint disabled count

id	before	after	diff
exploratoryView	-	35	+35
securitySolution	513	516	+3
total			+38

History

• 💔 Build #115491 failed 409da54
• 💔 Build #115486 failed c23f626
• 💔 Build #115428 failed 753ea73
• 💔 Build #115414 failed dd19d21
• 💔 Build #115376 failed e672d7c
• 💔 Build #115343 failed 96066f3

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@elasticmachine merge upstream