[LyX/master] Fix #13305 - xcb is currently the only reasonable solution for Wayland

[Pavel Sanda]

On Tue, May 12, 2026 at 11:39:09AM +0200, Jean-Marc Lasgouttes wrote:
> Wayland works for me too, except for the ugly windows decoration on Ubuntu.
> This is the only reason why I use xcb for all Qt apps.

Is this decoration thing enough for us to claim xcb to be superior choice?
Is the openSUSE experience different?

Pavel