Fix incorrect uid in AdmissionResponse

[aledbf]

What this PR does / why we need it:

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Which issue/s this PR fixes

fixes #4916

How Has This Been Tested?

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I've read the CONTRIBUTION guide
• I have added tests to cover my changes.
• All new and existing tests passed.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aledbf

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• OWNERS [aledbf]

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[aledbf]

/retest

[codecov-io]

Codecov Report

Merging #4927 into master will increase coverage by 0.03%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #4927      +/-   ##
==========================================
+ Coverage   58.44%   58.48%   +0.03%     
==========================================
  Files          88       88              
  Lines        6729     6728       -1     
==========================================
+ Hits         3933     3935       +2     
+ Misses       2365     2363       -2     
+ Partials      431      430       -1

Impacted Files	Coverage Δ
internal/admission/controller/main.go	86.11% <100%> (+2.32%)	⬆️
internal/ingress/metric/collectors/process.go	90.42% <0%> (+2.12%)	⬆️

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