Gnome: disable xwayland scaling due to games running at 2x resolution

modules/ui/desktops/gnome.nix

@@ -32,7 +32,7 @@ in
           enable = true;
           extraGSettingsOverrides = ''
             [org.gnome.mutter]
-            experimental-features = [ 'scale-monitor-framebuffer', 'xwayland-native-scaling', 'variable-refresh-rate' ]
+            experimental-features = [ 'scale-monitor-framebuffer', 'variable-refresh-rate' ]
           '';
           extraGSettingsOverridePackages = [ pkgs.mutter ];
         };

modules/users/aires/default.nix

@@ -50,6 +50,7 @@ in
             "plugdev"
             "tss"
             "wheel"
+            "users"
           ]; # tss group has access to TPM devices
 
           # Allow systemd services to run even while aires is logged out

modules/users/gremlin/default.nix

@@ -27,6 +27,7 @@ in
         extraGroups = [
           "networkmanager"
           "input"
+          "groups"
         ];
 
         # Allow systemd services to keep running even while gremlin is logged out