webrtc: fix using inline credentials in URLs (#1919)

[aler9]

Fixes #1919

[codecov-commenter]

Codecov Report

Merging #1966 (9f1b2de) into main (4f098cb) will increase coverage by 0.16%.
The diff coverage is n/a.

❗ Current head 9f1b2de differs from pull request most recent head 315ca54. Consider uploading reports for the commit 315ca54 to get more accurate results

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@@            Coverage Diff             @@
##             main    #1966      +/-   ##
==========================================
+ Coverage   60.95%   61.12%   +0.16%     
==========================================
  Files         108      108              
  Lines       11456    11456              
==========================================
+ Hits         6983     7002      +19     
+ Misses       3959     3938      -21     
- Partials      514      516       +2     

see 3 files with indirect coverage changes

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