Olivier Fourdan

Many thanks for the review! I have applied the changes and forced push to @whot's branch now. Please also note that I had to drop a few suggested changes at...

Small clarification, `xdg-desktop-portal-gtk` crashes because: ``` Program terminated with signal SIGSEGV, Segmentation fault. #0 0x0000560d74095b1d in handle_notify_pointer_motion (object=0x560d75e8ee10, invocation=0x560d75ec71f0, arg_session_handle=, arg_options=, dx=0, dy=1) at src/remotedesktop.c:612 612 org_gnome_mutter_remote_desktop_session_call_notify_pointer_motion_relative (proxy, (gdb) list...

For background, that was already reported against Xwayland here: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1687

I forgot about that particular gamescope issue and re-[cherry-picked the change](https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/2060/commits) in Xwayland (as it was fixing a bug for me) but now I realize that gamescope is still affected...