Is there a working, tested way to set up an external player (such as VLC, mplayer) that was installed from flatpak? I'm asking specifically for SteamDeck, but I guess this happened on other Linux distributions as well. Problem is, no matter what I put into player path, even if I leave the Arguments empty (or put something in, one argument per line) I get always the same results when starting a new movie entry: Error launching process: Type error: Cannot read property 'toString' of undefin