launcher: attempt at fixing potential crash when launching app

Modules/Panels/Launcher/Launcher.qml

@@ -160,7 +160,9 @@ SmartPanel {
         screen: root.screen
         isOpen: root.isPanelOpen
         onRequestClose: root.close()
-        onRequestCloseImmediately: root.closeImmediately()
+        // Defer so the signal emission completes before SmartPanel
+        // sets isPanelOpen=false and the contentLoader destroys us.
+        onRequestCloseImmediately: Qt.callLater(root.closeImmediately)
       }
     }
 

Modules/Panels/Launcher/LauncherCore.qml

@@ -23,11 +23,7 @@ Rectangle {
   signal requestCloseImmediately
 
   function closeImmediately() {
-    // Must be deferred — SmartPanel.closeImmediately() sets isPanelOpen=false
-    // which deactivates the contentLoader and destroys us mid-signal-chain.
-    Qt.callLater(function () {
-      requestCloseImmediately();
-    });
+    requestCloseImmediately();
   }
 
   // Expose for preview panel positioning

Modules/Panels/Launcher/Providers/ApplicationsProvider.qml

@@ -547,9 +547,11 @@ Item {
       "_score": (score !== undefined ? score : 0),
       "provider": root,
       "onActivate": function () {
-        // Record usage before closing (provider may be destroyed after close)
+        // Defer usage recording — must run before closeImmediately's deferred
+        // handler destroys us, but outside the delegate click call stack to
+        // avoid property-change cascades mid-handler.
         if (Settings.data.appLauncher.sortByMostUsed) {
-          root.recordUsage(app);
+          Qt.callLater(() => root.recordUsage(app));
         }
 
         // Close the launcher/SmartPanel immediately without any animations.