gateway: fix stream-status route

[gioelecerati]

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

Specific updates (required)

• Move the stream-status api on the correct handler

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 16.00000% with 21 lines in your changes missing coverage. Please review.

Project coverage is 33.97279%. Comparing base (ee8c709) to head (b0e3691).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
server/ai_mediaserver.go	16.00000%	20 Missing and 1 partial ⚠️

Additional details and impacted files

@@                 Coverage Diff                 @@
##              master       #3316         +/-   ##
===================================================
+ Coverage   33.95932%   33.97279%   +0.01347%     
===================================================
  Files            141         141                 
  Lines          37115       37115                 
===================================================
+ Hits           12604       12609          +5     
+ Misses         23792       23786          -6     
- Partials         719         720          +1     

Files with missing lines	Coverage Δ
server/ai_http.go	10.07874% <ø> (+0.38177%)	⬆️
server/ai_mediaserver.go	8.11359% <16.00000%> (+0.42128%)	⬆️

... and 1 file with indirect coverage changes

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Files with missing lines	Coverage Δ
server/ai_http.go	10.07874% <ø> (+0.38177%)	⬆️
server/ai_mediaserver.go	8.11359% <16.00000%> (+0.42128%)	⬆️

... and 1 file with indirect coverage changes