fix: batch clear all notifs to prevent blocking

modules/sidebar/NotifDock.qml

@@ -149,14 +149,24 @@ Item {
         id: clearTimer
 
         repeat: true
+        triggeredOnStart: true
         interval: Math.max(15, Math.min(80, 69.8 - 12.3 * Math.log(Notifs.notClosed.length)))
         onTriggered: {
             const first = Notifs.notClosed[0];
-            if (first) {
+            if (!first) {
-                for (const n of Notifs.notClosed.filter(n => n.appName === first.appName))
-                    n.close();
-            } else {
                 stop();
+                return;
+            }
+
+            const appName = first.appName;
+            let cleared = 0;
+            for (const n of Notifs.notClosed.filter(n => n.appName === appName)) {
+                n.close();
+                cleared++;
+                if (cleared > 30) {
+                    interval = 5;
+                    return;
+                }
             }
         }
     }