4dad442 livesys-lxqt: Detect if Wayland is available to use it by default

Authored and Committed by ngompa 10 months ago
    livesys-lxqt: Detect if Wayland is available to use it by default
    
    This is part of the LXQt 2.1 Change.
    
    Reference: https://fedoraproject.org/wiki/Changes/LXQt_2.1