Revert "SmartPanelWindow: add a small delay in an attempt to improve cleanup"

This reverts commit d2023500a9.

Modules/MainScreen/SmartPanelWindow.qml

@@ -47,9 +47,6 @@ PanelWindow {
   property bool closeWatchdogActive: false
   property bool openWatchdogActive: false
 
-  // Delay before unloading content (helps with shader cleanup on older Qt versions)
-  property int contentUnloadDelay: 100
-
   // Signals
   signal panelOpened
   signal panelClosed
@@ -179,21 +176,13 @@ PanelWindow {
     closeWatchdogTimer.stop();
 
     root.isPanelVisible = false;
-
-    // Delay unloading content to ensure shaders are properly cleaned up (helps with older Qt versions)
-    contentUnloadDelayTimer.start();
-
-    Logger.d("SmartPanelWindow", "Panel close finalized, delaying content unload", placeholder.panelName);
-  }
-
-  function completeContentUnload() {
     root.isPanelOpen = false;
     root.isClosing = false;
     root.opacityFadeComplete = false;
     PanelService.closedPanel(root);
     panelClosed();
 
-    Logger.d("SmartPanelWindow", "Content unloaded", placeholder.panelName);
+    Logger.d("SmartPanelWindow", "Panel close finalized", placeholder.panelName);
   }
 
   // Fullscreen container for click-to-close and content
@@ -444,16 +433,6 @@ PanelWindow {
     }
   }
 
-  // Timer to delay content unloading after panel closes (helps with shader cleanup on older Qt)
-  Timer {
-    id: contentUnloadDelayTimer
-    interval: root.contentUnloadDelay
-    repeat: false
-    onTriggered: {
-      root.completeContentUnload();
-    }
-  }
-
   // Watch for placeholder size animation completion to finalize close
   Connections {
     target: placeholder.panelItem