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

Revert 'slinux: use live as installer and rescue also' for slinux-live.
Need to decide whether this target is now needed.
If so, what should now be in it. In the meantime, there was no point
in changing anything about it.

interactivesystem sisyphus-alt25 do not dependency of mingetty.
sysvinit systems do not work without mingetty.

interactivesystem sisyphus-alt25 do not dependency of e2fsprogs.

Slinux does not use the browser feature.
There was no need to use +live. Without livecd-install this is
use/live/base.
See https://bugzilla.altlinux.org/49964