hls: fix appending slash when behind a reverse proxy

[aler9]

No description provided.

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (0e5e332) 59.66% compared to head (6b81b3a) 59.64%.

Files	Patch %	Lines
internal/core/hls_http_server.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2770      +/-   ##
==========================================
- Coverage   59.66%   59.64%   -0.02%     
==========================================
  Files         142      142              
  Lines       15178    15178              
==========================================
- Hits         9056     9053       -3     
- Misses       5485     5488       +3     
  Partials      637      637              

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[github-actions]

This issue is mentioned in release v1.4.0 🚀
Check out the entire changelog by clicking here