Do Not Review: Add support for multiple gateways

[salonichf5]

Proposed changes

Write a clear and concise description that helps reviewers understand the purpose and impact of your changes. Use the
following format:

Problem: Users want to be able to configure multiple gateways

Solution: Allows users to configure multiple gateways

Testing:

1. Added unit tests and fixed functional tests

Manual testing:

Scenarios

Existing tutorials tested:

Closes #3219
Closes #3213

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

Release notes

If this PR introduces a change that affects users and needs to be mentioned in the release notes,
please add a brief note that summarizes the change.

Add support for multiple gateways

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.19%. Comparing base (6337c97) to head (efd9397).
Report is 184 commits behind head on change/control-data-plane-split.

Additional details and impacted files

@@                         Coverage Diff                         @@
##           change/control-data-plane-split    #3275      +/-   ##
===================================================================
+ Coverage                            89.74%   95.19%   +5.44%     
===================================================================
  Files                                  109        1     -108     
  Lines                                11150      229   -10921     
  Branches                                50       62      +12     
===================================================================
- Hits                                 10007      218    -9789     
+ Misses                                1083       11    -1072     
+ Partials                                60        0      -60     

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[sjberman]

If deployment name is empty, we still need to update gatewayclass status. Look to see where we call Enqueue, you'll notice a few that don't set the name.