'alang' and 'slang' options set in mpv.conf is ignored in mpv launched with jellyfin-mpv-shim

[soredake]

Describe the bug 'alang' and 'slang' options set in mpv.conf is ignored in mpv launched with jellyfin-mpv-shim

To Reproduce Steps to reproduce the behavior:

1. Configure mpv+jellyfin+jellyfin-mpv-shim
2. Set alang or/and slang in mpv.conf
3. Launch some media file to test it
4. alang and slang option are ignored (no subtitles is enabled by default)

Expected behavior These options should work like they do when I launch movie with mpv not thought shim.

Screenshots Screenshots not really needed here.

Desktop (please complete the following information):

• OS: Windows 11 Pro
• Version 2.7.0

Error Messages Nothing interesting in logs.