limit rate notifications

ui/shared/NotificationWindow.qml

@@ -9,6 +9,13 @@ Item {
     id: root
     property var chatId: ""
     property var message: "hello"
+    property var processClick : Backpressure.oneInTime(root, 1000, function(chatId, msg) {
+        this.chatId = chatId
+        this.message = msg
+        notificationSound.play()
+        var w1 = winInit.createObject(null)
+        w1.destroy()
+    });
 
     Component {
         id: winInit
@@ -81,12 +88,9 @@ Item {
     }
 
     function notifyUser(chatId, msg) {
-        this.chatId = chatId
-        this.message = msg
-        notificationSound.play()
-        var w1 = winInit.createObject(null)
-        w1.destroy()
-    }
+        processClick(chatId, msg)
+   }
+
 }
 
 /*##^##