This reverts commit e65b5cff.

This reverts commit 8a93c18d.

This reverts commit 0e47e07b.

Move neofetch and btop to desktop+ximper tag. Add cascadia-code font, extension-manager, switcheroo-control to default packages.

add etersoft groups etersoft/virt-machines etersoft/virt-manager etersoft/gnome-boxes etersoft/virtualbox etersoft/00_office etersoft/libreoffice-still etersoft/libreoffice-latest etersoft/01_games and others

The package must be installed Live so that when built, the script
features.in/repo/live/image-scripts.d/90-repo-mirror will change
the mirror to the specified one.

This is needed for all rootfs.