webrtc: fix error when charset is in Content-Type (#3126)

[aler9]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 25.00000% with 6 lines in your changes are missing coverage. Please review.

Project coverage is 52.66%. Comparing base (575d358) to head (7564703).

Files	Patch %	Lines
internal/protocols/httpp/content_type.go	0.00%	2 Missing ⚠️
internal/protocols/webrtc/whip_client.go	0.00%	2 Missing ⚠️
internal/servers/webrtc/http_server.go	50.00%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3318   +/-   ##
=======================================
  Coverage   52.66%   52.66%           
=======================================
  Files         193      194    +1     
  Lines       20011    20015    +4     
=======================================
+ Hits        10538    10541    +3     
- Misses       8616     8617    +1     
  Partials      857      857           

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[github-actions]

This issue is mentioned in release v1.8.1 🚀
Check out the entire changelog by clicking here