I’ll pass this along as information so take it as you will.
If you have not already take a look at this comment Plexamp AppImage fails to open on Ubuntu 24.04 - #4 by SimonXCIV. Its related to appimage and plexamp but does have some insights into snap from the plex development standpoint.
While probably not want you want to hear but have you tried flatpak? I’m on fedora 41 + wayland + nvidia gpu and it works flawlessly (with the exception of this long standing bug Weird white squares all over the place with latest version).