Various tweaks

- use plasma.nix to set wallpaper & lookAndFeel
- use unstable-os channel instead of unstable-pkgs in some more places
  for slightly more testing/stability
- remove duplicate rustdesk from nixos-pulse sysPkgs as its already in home-mods/desktop

home-mods/audio/default.nix

@@ -7,10 +7,10 @@
   services.easyeffects = {
     enable = true;
     # preset = "default";
-    package = pkgs.unstable-pkgs.easyeffects;
+    package = pkgs.unstable-os.easyeffects;
   };
 
-  home.packages = with pkgs.unstable-pkgs; [
+  home.packages = with pkgs.unstable-os; [
     spotify
     ncspot
   ];

home-mods/desktop/default.nix

@@ -13,18 +13,18 @@ in
 {
   programs.mpv = {
     enable = true;
-    package = pkgs.unstable-pkgs.mpv;
+    package = pkgs.unstable-os.mpv;
   };
 
   home = {
-    file.".background".source = wallpaperPath;
+    file.".background.png".source = wallpaperPath;
 
     packages = with pkgs; [
       bitwarden
       unstable-os.airshipper
       unstable-os.ardour
       # blender
-      unstable-pkgs.brave
+      unstable-os.brave
       unstable-os.cavalier
       unstable-os.freetube
       unstable-os.filelight
@@ -44,8 +44,8 @@ in
       unstable-os.rustdesk
       unstable-os.signal-desktop
       unstable-os.tutanota-desktop
-      unstable-pkgs.thunderbird
-      unstable-pkgs.webcord-vencord
+      unstable-os.thunderbird
+      unstable-os.webcord-vencord
     ];
   };
 }

home-mods/plasma/default.nix

@@ -1,7 +1,11 @@
-{
+{ config, ... }: {
   programs.plasma = {
     enable = true;
-    workspace.theme = "breeze-dark";
+    workspace = {
+      theme = "breeze-dark";
+      lookAndFeel = "org.kde.breezedark.desktop";
+      wallpaper = "${config.home.homeDirectory}/.background.png";
+    };
     shortcuts = {
       "KDE Keyboard Layout Switcher"."Switch to Next Keyboard Layout" = "Meta+Alt+K";
       "kaccess"."Toggle Screen Reader On and Off" = "Meta+Alt+S";

systems/nixos-pulse/default.nix

@@ -161,7 +161,6 @@
   environment.systemPackages = with pkgs.unstable-os; [
     android-tools
     android-udev-rules
-    rustdesk
     my.spotube
   ];