Revert "Group desktop modules"

This reverts commit 278904eec6.

modules/dmenu-tmux.nix

@@ -0,0 +1,36 @@
+{ inputs, ... }:
+
+{
+  flake.modules.homeManager.gui =
+    { pkgs, ... }:
+    {
+      home.packages = [
+        (pkgs.writeShellApplication {
+          name = "dmenu_tmux";
+
+          text = ''
+            selected="$(z tmux list | dmenu -l 40)" || exit 0
+
+            if tmux list-sessions >/dev/null 2>&1; then
+              if pgrep -x st >/dev/null; then
+                z tmux connect "$selected"
+
+                exit 0
+              fi
+            fi
+
+            pkill -x st 2>/dev/null || true
+            sleep 0.1
+
+            exec st -e z tmux connect "$selected"
+          '';
+
+          runtimeInputs = with pkgs; [
+            dmenu
+            inputs.z.packages.${pkgs.stdenv.hostPlatform.system}.default
+            st
+          ];
+        })
+      ];
+    };
+}