allow using MTX_QUERY inside source

[aler9]

this allows to pass query parameters to sources, for instance:

source: rtsp://my_host/my_path?$MTX_QUERY
sourceOnDemand: true

Nightly release

https://github.com/bluenviron/mediamtx/actions/runs/9571463402

[codecov]

Codecov Report

Attention: Patch coverage is 76.78571% with 13 lines in your changes missing coverage. Please review.

Project coverage is 56.67%. Comparing base (dfa2e81) to head (04701b9).

Files	Patch %	Lines
internal/core/static_source_handler.go	70.00%	12 Missing ⚠️
internal/core/path.go	83.33%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3486      +/-   ##
==========================================
+ Coverage   56.65%   56.67%   +0.01%     
==========================================
  Files         190      190              
  Lines       19146    19151       +5     
==========================================
+ Hits        10848    10853       +5     
  Misses       7470     7470              
  Partials      828      828              

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[github-actions]

This issue is mentioned in release v1.8.4 🚀
Check out the entire changelog by clicking here