Levan m/dca ccr reconciler refactor

[levan-m]

What does this PR do?

• 6c855b1 resolves some seemingly accidental differences: feature error handling; passing ctx; introspection provider; error handling in cleanupV2ClusterChecksRunner. Mostly following DCA pattern in most cases. Also adds a test to cover these changes up front.
• 80db14a moved cleanupOldCCR** function to file where it's used. Changed some log lines, variable names.
• 619d4e0 pulled some of the functions, variable so they can be parametrized later.
• bb24086 moved status cleanup inside component cleanup which was case with CCR, not DCA. This simplifies code but seems reasonable as we want to clear status only when component is cleaned up not before that.
• 043a3cc move custom logic outside and added no-op function where necessary. reconcile and cleanup should be same, only using different functions which probably can be parametrized or extracted in interface - which would be next step.

Motivation

What inspired you to submit this pull request?

Additional Notes

Anything else we should know when reviewing?

Minimum Agent Versions

Are there minimum versions of the Datadog Agent and/or Cluster Agent required?

• Agent: vX.Y.Z
• Cluster Agent: vX.Y.Z

Describe your test plan

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Checklist

• PR has at least one valid label: bug, enhancement, refactoring, documentation, tooling, and/or dependencies
• PR has a milestone or the qa/skip-qa label

[codecov-commenter]

Codecov Report

❌ Patch coverage is 71.33333% with 43 lines in your changes missing coverage. Please review.
✅ Project coverage is 36.66%. Comparing base (32259e9) to head (043a3cc).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...ontroller/datadogagent/controller_reconcile_ccr.go	71.87%	12 Missing and 6 partials ⚠️
...ontroller/datadogagent/controller_reconcile_dca.go	75.55%	5 Missing and 6 partials ⚠️
...er/datadogagent/controller_reconcile_v2_helpers.go	74.28%	4 Missing and 5 partials ⚠️
pkg/testutils/builder.go	0.00%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2380      +/-   ##
==========================================
+ Coverage   36.56%   36.66%   +0.10%     
==========================================
  Files         281      282       +1     
  Lines       23911    23979      +68     
==========================================
+ Hits         8743     8792      +49     
- Misses      14484    14501      +17     
- Partials      684      686       +2     

Flag	Coverage Δ
unittests	36.66% <71.33%> (+0.10%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...controller/datadogagent/controller_reconcile_v2.go	57.14% <100.00%> (ø)
pkg/testutils/builder.go	0.00% <0.00%> (ø)
...er/datadogagent/controller_reconcile_v2_helpers.go	60.12% <74.28%> (+4.30%)	⬆️
...ontroller/datadogagent/controller_reconcile_dca.go	68.23% <75.55%> (+19.42%)	⬆️
...ontroller/datadogagent/controller_reconcile_ccr.go	67.46% <71.87%> (+1.68%)	⬆️

... and 2 files with indirect coverage changes

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