Proposed changes

This PR adds operator interface to probe pkg

#4836, I tried to add fuzz test for probe handler.
However, the current architecture made it impossible to mock probe operations, so I added probe operator interface.

This picture is about probe pkg.

References

• Update the code architecture to Interface model for Environment pkg #4159
• Testing-Strategies-for-Contributors

Types of changes

What types of changes does your code introduce to Litmus? Put an x in the boxes that apply

• New feature (non-breaking change which adds functionality)
• Bugfix (non-breaking change which fixes an issue)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices applies)

Checklist

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• I have read the CONTRIBUTING doc
• I have signed the commit for DCO to be passed.
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works (if appropriate)
• I have added necessary documentation (if appropriate)

Dependency

• Please add the links to the dependent PR need to be merged before this (if any).

Special notes for your reviewer:

I need feedback on the approach of passing probeOperator as a parameter to functions.

For example, the function GenerateExperimentManifestWithProbes in chaoscenter/graphql/server/pkg/probe/utils/utils.go directly accesses probe operation. I have added the probeOperator dependency to the handler that uses GenerateExperimentManifestWithProbes and updated the function calls to pass probeOperator as a parameter.