[ui-weston] Set postmarketos artwork as default wallpaper
Set postmarketOS artwork as default wallpaper. Tested on qemu-amd64.
[x] Merge on GitHub (see https://postmarketos.org/merge)
Set postmarketOS artwork as default wallpaper. Tested on qemu-amd64.
[x] Merge on GitHub (see https://postmarketos.org/merge)