Fix thread updating issue

SignalUtilitiesKit/Database/Storage/Storage+Messaging.swift

@@ -30,6 +30,7 @@ extension Storage {
         guard let thread = threadOrNil else { return nil }
         let message = TSIncomingMessage.from(message, associatedWith: thread)
         message.save(with: transaction)
+        DispatchQueue.main.async { message.touch() } // FIXME: Hack for a thread updating issue
         return (thread.uniqueId!, message.uniqueId!)
     }
 
@@ -59,3 +60,4 @@ extension Storage {
         tsIncomingMessage.touch(with: transaction)
     }
 }
+