[Cloud Posture] Dashboard basic FTR

[JordanSh]

Resolves #146950

Summary

Lays out the foundation for CSP dashboard FTRs, for now only one test for checking the score. the rest of the dashboard tests could rely on the existing infrastructure once this is merged.

[kibana-ci]

💔 Build Failed

• Buildkite Build
• Commit: f092a9e
• Interpreting CI Failures

Failed CI Steps

• FTR Configs #10
• Checks

Test Failures

• [job] [logs] FTR Configs #10 / Cloud Security Posture Cloud Posture Dashboard Page Kubernetes Dashboard display the dashboard header

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
cloudSecurityPosture	186.4KB	186.6KB	+158.0B

Unknown metric groups

ESLint disabled line counts

id	before	after	diff
securitySolution	432	435	+3

Total ESLint disabled count

id	before	after	diff
securitySolution	512	515	+3

History

• 💔 Build #113083 failed 93c2d2f
• 💔 Build #106395 failed ac3e4ac
• 💔 Build #106389 failed ecdad28
• 💔 Build #104564 failed f657466

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

cc @JordanSh