feat(error tracking): add core agent and error tracking standalone settings

[GianlucaBortoli]

What does this PR do?

A brief description of the change being made with this pull request.

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

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

Attention: Patch coverage is 0% with 37 lines in your changes missing coverage. Please review.

Project coverage is 48.78%. Comparing base (993280d) to head (ccd2f66).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...nal/controller/datadogagent/feature/apm/feature.go	0.00%	9 Missing and 3 partials ⚠️
api/datadoghq/v2alpha1/test/builder.go	0.00%	11 Missing ⚠️
...adogagent/component/clusterchecksrunner/default.go	0.00%	8 Missing ⚠️
...nternal/controller/datadogagent/override/global.go	0.00%	5 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1553      +/-   ##
==========================================
+ Coverage   48.66%   48.78%   +0.12%     
==========================================
  Files         226      226              
  Lines       20363    20481     +118     
==========================================
+ Hits         9909     9992      +83     
- Misses       9937     9973      +36     
+ Partials      517      516       -1     

Flag	Coverage Δ
unittests	48.78% <0.00%> (+0.12%)	⬆️

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

Files with missing lines	Coverage Δ
api/datadoghq/v2alpha1/datadogagent_types.go	100.00% <ø> (ø)
...nternal/controller/datadogagent/override/global.go	51.55% <0.00%> (-0.98%)	⬇️
...adogagent/component/clusterchecksrunner/default.go	10.28% <0.00%> (-0.40%)	⬇️
api/datadoghq/v2alpha1/test/builder.go	90.11% <0.00%> (-1.70%)	⬇️
...nal/controller/datadogagent/feature/apm/feature.go	61.37% <0.00%> (-2.65%)	⬇️

... and 3 files with indirect coverage changes

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