[Contextual Security] Bring Back D4C Custom page

[animehart]

Summary

This PR just brings back the D4C Custom page that we removed in this PR

made D4C Page is not accessible on Serverless as D4C is not enabled in Serverless

[animehart]

/ci

[elasticmachine]

Pinging @elastic/contextual-security-apps (Team:Cloud Security)

[animehart]

/ci

[animehart]

/ci

[elasticmachine]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: 567aff7

Failed CI Steps

• FTR Configs #39
• Scout: [ platform / streams_app ] plugin

Test Failures

• [job] [logs] FTR Configs #39 / logstash pipeline list route add button links to the empty pipeline editor

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
securitySolution	8452	8455	+3

Async chunks

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

id	before	after	diff
securitySolution	11.1MB	11.1MB	+3.3KB
streamsApp	1.1MB	1.1MB	+29.0B
total			+3.3KB

Page load bundle

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

id	before	after	diff
cloudDefend	7.2KB	7.3KB	+72.0B
elasticAssistant	307.4KB	307.5KB	+29.0B
securitySolution	166.8KB	166.9KB	+170.0B
securitySolutionEss	34.4KB	34.5KB	+29.0B
securitySolutionServerless	46.3KB	46.4KB	+29.0B
total			+329.0B

Unknown metric groups

API count

id	before	after	diff
cloudDefend	51	52	+1

History

• 💔 Build #368741 failed ec73bd6