refactor(ai): remove code redundancy in AI orchestrator server

[rickstaa]

What does this pull request do? Explain your changes. (required)

This commit removes redundant code in the AI orchestrator server file
(i.e. ai_http.go) to increase code readability.

Specific updates (required)

How did you test each of these updates (required)

Does this pull request close any open issues?

Checklist:

• Read the contribution guide
• make runs successfully
• All tests in ./test.sh pass
• README and other documentation updated
• Pending changelog updated

[codecov]

Codecov Report

Attention: Patch coverage is 26.92308% with 19 lines in your changes missing coverage. Please review.

Project coverage is 36.05166%. Comparing base (c41f3c4) to head (5b16cb7).
Report is 9 commits behind head on ai-video.

Files with missing lines	Patch %	Lines
server/ai_http.go	0.00000%	11 Missing ⚠️
server/utils.go	0.00000%	8 Missing ⚠️

Additional details and impacted files

@@                 Coverage Diff                 @@
##            ai-video       #3226         +/-   ##
===================================================
- Coverage   36.07820%   36.05166%   -0.02654%     
===================================================
  Files            124         125          +1     
  Lines          34525       34531          +6     
===================================================
- Hits           12456       12449          -7     
- Misses         21381       21394         +13     
  Partials         688         688                 

Files with missing lines	Coverage Δ
server/ai_mediaserver.go	10.68702% <100.00000%> (+0.64985%)	⬆️
server/utils.go	0.00000% <0.00000%> (ø)
server/ai_http.go	13.21586% <0.00000%> (+2.14575%)	⬆️

... and 2 files with indirect coverage changes

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Files with missing lines	Coverage Δ
server/ai_mediaserver.go	10.68702% <100.00000%> (+0.64985%)	⬆️
server/utils.go	0.00000% <0.00000%> (ø)
server/ai_http.go	13.21586% <0.00000%> (+2.14575%)	⬆️

... and 2 files with indirect coverage changes