More crash fixes

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

@@ -1169,6 +1169,7 @@ class ChatRoomPresenter @Inject constructor(
     }
 
     private fun processTypingStatus(typingStatus: Pair<String, Boolean>) {
+        synchronized(typingStatusList) {
             if (typingStatus.first != currentLoggedUsername) {
                 if (!typingStatusList.any { username -> username == typingStatus.first }) {
                     if (typingStatus.second) {
@@ -1190,6 +1191,7 @@ class ChatRoomPresenter @Inject constructor(
                 }
             }
         }
+    }
 
     private fun unsubscribeTypingStatus() {
         typingStatusSubscriptionId?.let {

app/src/main/java/chat/rocket/android/chatroom/ui/ChatRoomFragment.kt

@@ -594,7 +594,11 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
         }
     }
 
-    override fun showGenericErrorMessage() = showMessage(getString(R.string.msg_generic_error))
+    override fun showGenericErrorMessage(){
+        ui {
+            showMessage(getString(R.string.msg_generic_error))
+        }
+    }
 
     override fun populatePeopleSuggestions(members: List<PeopleSuggestionUiModel>) {
         ui {