Merge branch 'staging-next'

This round is without the systemd CVE,
as we don't have binaries for that yet.
BTW, I just ignore darwin binaries these days,
as I'd have to wait for weeks for them.

nixos/modules/module-list.nix

@@ -243,6 +243,8 @@
   ./services/desktops/bamf.nix
   ./services/desktops/dleyna-renderer.nix
   ./services/desktops/dleyna-server.nix
+  ./services/desktops/pantheon/contractor.nix
+  ./services/desktops/pantheon/files.nix
   ./services/desktops/flatpak.nix
   ./services/desktops/geoclue2.nix
   ./services/desktops/gsignond.nix
@@ -268,6 +270,7 @@
   ./services/desktops/gnome3/tracker-miners.nix
   ./services/desktops/profile-sync-daemon.nix
   ./services/desktops/telepathy.nix
+  ./services/desktops/tumbler.nix
   ./services/desktops/zeitgeist.nix
   ./services/development/bloop.nix
   ./services/development/hoogle.nix