Fix notification parsing

Serialization/NotificationConverter.cs

@@ -35,10 +35,7 @@ public class NotificationConverter : JsonConverter
     {
         JObject jo = JObject.Load(reader);
         Type noteClass = FindNotificationSubclass((string)jo["type"]);
-        // Dirty hack to use a Type variable as a type in a generic method
-        // TODO: There probably is a nicer way to do this.
-        var method = typeof(JObject).GetMethod("ToObject").MakeGenericMethod(new Type[] { noteClass });
-        return method.Invoke(jo, new object[] { serializer });
+        return Convert.ChangeType(jo.ToObject(noteClass), noteClass);
     }
 
     public override bool CanWrite => false;