fix: Toggle notification sound functionality

modules/notification/notificationServer/NotificationServer.qml

@@ -12,6 +12,7 @@ Item {
 
     property var focusedMonitor: null
     property var newestNotification: null
+    property bool soundEnabled: true
 
     signal notificationReceived(var notification)
 
@@ -81,7 +82,7 @@ Item {
             onTriggered: {
                 focusedMonitor = Hyprland.focusedMonitor
                 notificationReceived(notification)
-                if(!notification.lastGeneration){
+                if(!notification.lastGeneration && notificationServerState.soundEnabled){
                     notificationSound.play()
                 }