Revert "fix(OSD): keep panelwindow always loaded to avoid hotplug crash"

This reverts commit 3b5410103a.

Modules/OSD/OSD.qml

@@ -29,9 +29,7 @@ Variants {
 
     required property ShellScreen modelData
 
-    // Keep PanelWindow always loaded to avoid creating Wayland surfaces during
-    // monitor hotplug, which races with wl_output teardown and crashes.
-    active: true
+    active: false
 
     // OSD State
     property int currentOSDType: -1 // OSD.Type enum value, -1 means none
@@ -232,14 +230,25 @@ Variants {
 
       currentOSDType = type;
 
+      if (!root.active) {
+        root.active = true;
+      }
+
       if (root.item) {
         root.item.showOSD();
+      } else {
+        Qt.callLater(() => {
+                       if (root.item)
+                       root.item.showOSD();
+                     });
       }
     }
 
     function hideOSD() {
       if (root.item?.osdItem) {
         root.item.osdItem.hideImmediately();
+      } else if (root.active) {
+        root.active = false;
       }
     }
 
@@ -515,9 +524,6 @@ Variants {
       implicitHeight: verticalMode ? (isShortMode ? lockKeyVHeight : longVHeight) : longHHeight
       color: "transparent"
 
-      // Click-through — OSD is display-only, no input needed
-      mask: Region {}
-
       WlrLayershell.namespace: "noctalia-osd-" + (screen?.name || "unknown")
       WlrLayershell.keyboardFocus: WlrKeyboardFocus.None
       WlrLayershell.layer: Settings.data.osd?.overlayLayer ? WlrLayer.Overlay : WlrLayer.Top
@@ -557,6 +563,7 @@ Variants {
             osdItem.visible = false;
             root.currentOSDType = -1;
             root.lastLockKeyChanged = "";
+            root.active = false;
           }
         }
 
@@ -846,6 +853,7 @@ Variants {
           osdItem.scale = 0.85;
           osdItem.visible = false;
           root.currentOSDType = -1;
+          root.active = false;
         }
       }