Maybe. Your real problem seems video drivers connected IMHO.
Feb 13 03:39:57 desktop sunshine[943]: [2023:02:13:03:39:57]: Info: Found monitor for DRM screencasting
Feb 13 03:39:57 desktop kwin_wayland[945]: kwin_core: Failed to open /dev/dri/card0 device (Device or resource busy)
Feb 13 03:39:57 desktop kwin_wayland[945]: kwin_wayland_drm: failed to open drm device at "/dev/dri/card0"
Feb 13 03:39:57 desktop kwin_wayland[945]: kwin_wayland_drm: No suitable DRM devices have been found
Is it possible the sunshine is blocking the light road to wayland? 
Is it possible to disable it, for testing?
I suppose you have to review the mentioned configuration/package changes, and possibly delete (with backup) local configuration files.