Description
The Linux Version is not able to save a file

To Reproduce
Open Powertab, File -> New, File -> Save, enter some name, get error message:

Error saving file: filesystem error: cannot rename: Ungültiger Link über Gerätegrenzen hinweg [/tmp/test.pt2.new] [/run/user/1000/doc/cef48855/test.pt2]

Additional Info
Tried to alter the permissions within flatpak (changed file permissions to HOST) - did not change the behaviour

Version
Power Tab Editor 2.0.20 (v2.0.20-0-geff05f0)
Kubuntu 22.04 and Kubuntu 22.10