And have the corresponding dependency to kali-wallpapers-2020.4 in
kali-themes-common too to ensure the symlink points to an existing file.
Gbp-Dch: Full
* Provide 3 common ratio (16x9, 16x10, 4x3) for the 2 main images.
* Avoid duplication by creating symlinks for all the screen sizes needed by
KDE. We link to the picture with the closest ratio.
* Make all background pictures available to gnome-background-properties.
* Make the 2 main background pictures available to KDE.