[profiles] Use deepcopy for patch (#1320)

[levan-m]

• Use deepcopy obj for patch

• Consistent naming

What does this PR do?

cherry pick #1320

Motivation

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Additional Notes

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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

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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

All modified and coverable lines are covered by tests ✅

Project coverage is 55.19%. Comparing base (7b3a6ed) to head (6a0321e).

Additional details and impacted files

@@            Coverage Diff             @@
##             v1.8    #1325      +/-   ##
==========================================
- Coverage   55.20%   55.19%   -0.01%     
==========================================
  Files         247      247              
  Lines       28383    28377       -6     
==========================================
- Hits        15670    15664       -6     
  Misses      11827    11827              
  Partials      886      886              

Flag	Coverage Δ
unittests	55.19% <100.00%> (-0.01%)	⬇️

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

Files	Coverage Δ
...rollers/datadogagent/controller_reconcile_agent.go	50.00% <100.00%> (-0.43%)	⬇️
controllers/datadogagent/finalizer.go	62.39% <100.00%> (-0.95%)	⬇️

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