Attaching a USB camera crashes obs-studio on Debian Trixie, due to a
double free in find_device_id_by_real_path()

This is related to the patch linux-v4l2-Save-device-by-id-or-path.patch
which was not merged to upstream. A similar crash wes reported in the
upstream pull request comments by a user back in 2024:


https://github.com/obsproject/obs-studio/pull/6493#issuecomment-2409777707

Please find attached a console log and backtraces with debug info from
running OBS Studio under gdb.