Additional Helix & Niri configuration. Various cleanups

modules/system/desktop.nix

@@ -1,5 +1,6 @@
 {
   inputs,
+  pkgs,
   ...
 }:
 {
@@ -8,7 +9,10 @@
   ];
 
   programs = {
-    niri.enable = true;
+    niri = {
+      enable = true;
+      package = pkgs.niri-unstable;
+    };
     uwsm = {
       enable = true;
       waylandCompositors = {
@@ -20,6 +24,12 @@
     };
   };
 
+  environment.systemPackages = [ pkgs.xwayland-satellite-unstable ];
+
+  nixpkgs.overlays = [
+    inputs.niri.overlays.niri
+  ];
+
   services.displayManager = {
     gdm = {
       enable = true;