quickshell: fix tray click via hyprctl eval for Lua mode

Use a shell script to find the window address and focus it via
hl.dispatch(hl.dsp.focus()) since hyprctl dispatch syntax changed
in Hyprland 0.55+ Lua mode.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

settings/hyprland.nix

@@ -490,6 +490,10 @@ in
         '';
         nmcli = "${pkgs.networkmanager}/bin/nmcli";
         powerprofilesctl = "${pkgs.power-profiles-daemon}/bin/powerprofilesctl";
+        focusTrayWindow = pkgs.writeShellScript "focus-tray-window" ''
+          addr=$(hyprctl clients -j | ${pkgs.jq}/bin/jq -r '.[] | select(.class=="steam_app_0" and .title!="") | .address' | head -1)
+          [ -n "$addr" ] && hyprctl eval "hl.dispatch(hl.dsp.focus({window = \"address:$addr\"}))"
+        '';
       in {
         "quickshell/qmldir" = {
           onChange = qsRestart;
@@ -1151,6 +1155,11 @@ in
                                     color: Theme.base05
                                 }
 
+                                Process {
+                                    id: trayFocusProc
+                                    command: ["${focusTrayWindow}"]
+                                }
+
                                 MouseArea {
                                     anchors.fill: parent
                                     hoverEnabled: true
@@ -1204,7 +1213,7 @@ in
                                             } else {
                                                 modelData.activate();
                                                 if (!modelData.hasMenu) {
-                                                    Hyprland.dispatch("focuswindow class:steam_app_0 title:Battle.net");
+                                                    trayFocusProc.running = true;
                                                 }
                                             }
                                         }