Refine quickshell bar and Noctalia compatibility

default/quickshell/omarchy-shell/Widgets/NPopupContextMenu.qml

@@ -8,14 +8,18 @@ Menu {
   id: root
 
   property var model: []
-  signal triggered(string action)
+  // Noctalia passes the owning ShellScreen through here. Qt Quick Controls
+  // Menu doesn't need it, but accepting the property keeps plugin QML from
+  // failing at load time.
+  property var screen: null
+  signal triggered(var action, var item)
 
   Instantiator {
     model: root.model
     delegate: MenuItem {
       required property var modelData
       text: modelData ? String(modelData.label || modelData.action || "") : ""
-      onTriggered: root.triggered(modelData ? String(modelData.action || "") : "")
+      onTriggered: root.triggered(modelData ? String(modelData.action || "") : "", modelData)
     }
     onObjectAdded: function(index, object) { root.insertItem(index, object) }
     onObjectRemoved: function(index, object) { root.removeItem(object) }