Remove notification when receiving sync read messages

Author: Trolldemorted

Signal-Windows.Lib/IncomingMessages.cs

@@ -174,7 +174,12 @@ private void HandleMessage(SignalServiceEnvelope envelope)
 
         private void HandleReadMessage(ReadMessage readMessage)
         {
-            SignalDBContext.UpdateMessageRead(readMessage);
+            var conv = SignalDBContext.UpdateMessageRead(readMessage);
+            long readIndex = conv.LastSeenMessageIndex - 1;
+            if (readIndex > 0)
+            {
+                SignalLibHandle.Instance.DispatchMessageRead(conv.LastSeenMessageIndex - 1, conv).Wait();
+            }
         }
 
         private void HandleExpirationUpdateMessage(SignalServiceEnvelope envelope, SignalServiceContent content, SignalServiceDataMessage message, bool isSync, long timestamp)

Signal-Windows.Lib/Storage/DB.cs

@@ -986,7 +986,7 @@ public static void UpdateExpiresInLocked(SignalConversation thread, uint exp)
             }
         }
 
-        internal static void UpdateMessageRead(ReadMessage readMessage)
+        internal static SignalConversation UpdateMessageRead(ReadMessage readMessage)
         {
             SignalConversation conversation;
             lock (DBLock)
@@ -1014,6 +1014,7 @@ internal static void UpdateMessageRead(ReadMessage readMessage)
                 }
             }
             SignalLibHandle.Instance.DispatchAddOrUpdateConversation(conversation, null);
+            return conversation;
         }
 
         private static SignalConversation GetSignalConversation(SignalDBContext ctx, string threadid)