Don't default DDA for controller revision

[khewonc]

What does this PR do?

Don't default DDA when creating controller revisions

Motivation

https://datadoghq.atlassian.net/browse/CONTP-1910

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

1. Deploy the operator with DD_CREATE_CONTROLLER_REVISIONS=true: --set env[0].name=DD_CREATE_CONTROLLER_REVISIONS --set env[0].value=true
2. Create a DDA with spec.global.site unset and annotations set:

apiVersion: datadoghq.com/v2alpha1
kind: DatadogAgent
metadata:
  name: datadog
  annotations:
    some.datadoghq.com/key: "tracked-value"
    some-other-tool/annotation: "should-be-excluded"
spec:
  global:
    credentials:
      apiKey: xxx

3. Check the DDA controller revision kubectl get controllerrevisions and make sure the data matches the spec in 2 (spec.global.site is unset) and only annotation some.datadoghq.com/key: "tracked-value" is kept:

  annotations:
    some.datadoghq.com/key: tracked-value
  spec:
    global:
      credentials:
        apiKey: xxx

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
• All commits are signed (see: signing commits)

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[datadog-datadog-prod-us1-2]

🛑 Gate Violations

🎯 1 Code Coverage issue detected

A Patch coverage percentage gate may be blocking this PR.

• Patch coverage: no data available (threshold: 80.00%)

ℹ️ Info

🎯 Code Coverage (details)
• Patch Coverage: No data available
• Overall Coverage: 47.26% (+0.01%)

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