fix: make gui-misc bundle darwin-compatible

Move Linux-only packages (google-chrome, shotcut, obs-studio, obsidian)
behind a stdenv.isLinux guard. Also fix cfg referencing wrong option.

Author: Gorgeous-Patrick

bundles/gui-misc.nix

@@ -6,21 +6,25 @@
 }:
 
 let
-  cfg = config.pixos.bundles.git;
+  cfg = config.pixos.bundles.gui-misc;
 in
 {
   options.pixos.bundles.gui-misc.enable = lib.mkEnableOption "GUI misc tools bundle";
 
   config = lib.mkIf cfg.enable {
-    environment.systemPackages = with pkgs; [
-      google-chrome
-      localsend
-      zotero
-      shotcut
-      obs-studio
-      obsidian
-      audacity
-      unbill-tauri
-    ];
+    environment.systemPackages =
+      with pkgs;
+      [
+        localsend
+        zotero
+        audacity
+        unbill-tauri
+      ]
+      ++ lib.optionals pkgs.stdenv.isLinux [
+        google-chrome
+        shotcut
+        obs-studio
+        obsidian
+      ];
   };
 }