feat: add health check for ClusterResourceSet

[nueavv]

Add Health Check for ClusterResourceSet

• Returns Degraded status if the ResourcesApplied condition is False
• Returns Healthy status if the ResourcesApplied condition is True
• Returns Progressing status if the condition is absent or still in progress

Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this does not need to be in the release notes.
• The title of the PR states what changed and the related issues number (used for the release note).
• The title of the PR conforms to the Toolchain Guide
• I've included "Closes [ISSUE #]" or "Fixes [ISSUE #]" in the description to automatically close the associated issue.
• I've updated both the CLI and UI to expose my feature, or I plan to submit a second PR with them.
• Does this PR require documentation updates?
• I've updated documentation as required by this PR.
• I have signed off all my commits as required by DCO
• I have written unit and/or e2e tests for my change. PRs without these are unlikely to be merged.
• My build is green (troubleshooting builds).
• My new feature complies with the feature status guidelines.
• I have added a brief description of why this PR is necessary and/or what this PR solves.
• Optional. My organization is added to USERS.md.
• Optional. For bug fixes, I've indicated what older releases this fix should be cherry-picked into (this may or may not happen depending on risk/complexity).

[bunnyshell]

❌ Preview Environment deleted from Bunnyshell

Available commands (reply to this comment):

• 🚀 /bns:deploy to deploy the environment

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (master@40c6077). Learn more about missing BASE report.
Report is 386 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master   #20746   +/-   ##
=========================================
  Coverage          ?   55.12%           
=========================================
  Files             ?      324           
  Lines             ?    55256           
  Branches          ?        0           
=========================================
  Hits              ?    30462           
  Misses            ?    22174           
  Partials          ?     2620           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[andrii-korotkov-verkada]

Resourced not applied?

[andrii-korotkov-verkada]

What other conditions are possible? Should we consider them?