Fix bug when mapping a message to view model

app/src/main/java/chat/rocket/android/chatroom/presentation/ChatRoomPresenter.kt

@@ -107,8 +107,8 @@ class ChatRoomPresenter @Inject constructor(private val view: ChatRoomView,
 
     private fun updateMessage(streamedMessage: Message) {
         launchUI(strategy) {
-            synchronized(roomMessages) {
             val viewModelStreamedMessage = MessageViewModelMapper.mapToViewModel(streamedMessage, settings)
+            synchronized(roomMessages) {
                 val index = roomMessages.indexOfFirst { msg -> msg.id == streamedMessage.id }
                 if (index != -1) {
                     Timber.d("Updatind message at $index")