Make Calamares Qt 6 happy
The slideshow module of Calamares doesn't seem to be ported to Qt 6. Port it and port our ubiquity-slideshow-neon that we use to Qt 6.
Edited by Jonathan Riddell
The slideshow module of Calamares doesn't seem to be ported to Qt 6. Port it and port our ubiquity-slideshow-neon that we use to Qt 6.