This is needed to fix loading playlist from file. With that playlists will be limited to videos inside "Videos" directory in Flatpak version (with default permissions) which is still better than no playlists functionality. This is a common thing to do for a Flatpak video player.
Manually specifying text encoding is just wrong.
Especially for people who have no idea what text encoding they use (or what it is).
Lets try to be a little more user friendly and autodetect the encoding of each file.
The detection will be done inside GStreamer when first text buffer is received,
so another (but this time optional) patch is added, but who cares :-)
