toast: fix blur

quickshell/Modules/Toast.qml

@@ -441,4 +441,14 @@ PanelWindow {
     mask: Region {
         item: toast
     }
+
+    WindowBlur {
+        targetWindow: root
+        blurEnabled: root.shouldBeVisible
+        blurX: toast.x
+        blurY: toast.y
+        blurWidth: root.shouldBeVisible ? toast.width : 0
+        blurHeight: root.shouldBeVisible ? toast.height : 0
+        blurRadius: toast.radius
+    }
 }