Remove sender name if it’s a single emoji

Signed-off-by: Mario Danic <mario@lovelyhq.com>

app/src/main/java/com/nextcloud/talk/adapters/messages/MagicIncomingTextMessageViewHolder.java

@@ -161,6 +161,7 @@ public class MagicIncomingTextMessageViewHolder
             emojiSize *= 2.5f;
             layoutParams.setWrapBefore(true);
             itemView.setSelected(true);
+            messageAuthor.setVisibility(View.GONE);
         }
 
         messageText.setEmojiSize((int) emojiSize, true);