I will say if this works and I can confirm it works I might have a few patches to suggest you fold into the GNOME variant of Nobara, but just gotta get it built and tested first
working together almost never happens in the way you'd expect and a lot of the time it really won't feel like you've accomplished anything outside of your own scope
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3720 working on trying to merge this in to fix up the issue with mutter 46.1 causing clickthrough issues with a lot of fullscreen stuff but it seems like it does seem to be breaking things rip.
When a window with an input shape on its decoration window becomes undecorated and meta_window_x11_update_input_region() gets called via notify::decorated, the buffer_rect of the window has not been updated...