[cherry-pick] fix(controller): always try to update status (#1154)

[celenechang]

• fix(controller): always try to update status

• improve check-operator resiliency

• improve how the status conditions are updated

• Apply suggestions from code review

• Update upgrade.go

• nit

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What does this PR do?

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Motivation

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Additional Notes

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Minimum Agent Versions

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

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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

Attention: Patch coverage is 36.84211% with 36 lines in your changes are missing coverage. Please review.

Project coverage is 59.56%. Comparing base (6f06176) to head (542abe8).

Additional details and impacted files

@@            Coverage Diff             @@
##             v1.6    #1163      +/-   ##
==========================================
- Coverage   59.56%   59.56%   -0.01%     
==========================================
  Files         174      174              
  Lines       21519    21565      +46     
==========================================
+ Hits        12818    12845      +27     
- Misses       7930     7941      +11     
- Partials      771      779       +8     

Flag	Coverage Δ
unittests	59.56% <36.84%> (-0.01%)	⬇️

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

Files	Coverage Δ
apis/datadoghq/v2alpha1/condition.go	5.15% <100.00%> (+5.15%)	⬆️
...ntrollers/datadogagent/controller_reconcile_ccr.go	47.43% <100.00%> (+2.84%)	⬆️
...rollers/datadogagent/controller_reconcile_agent.go	50.14% <0.00%> (-0.57%)	⬇️
...ntrollers/datadogagent/controller_reconcile_dca.go	26.37% <14.28%> (-1.84%)	⬇️
...ontrollers/datadogagent/controller_reconcile_v2.go	49.51% <31.03%> (-0.49%)	⬇️

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