message: [FIX] Add username block condition to prevent error
diff: @@ -14,7 +14,7 @@ const formatMsg = ({
  if (!showLastMessage) {
  return '';
  }
  - if (!lastMessage || lastMessage.pinned) {
  + if (!lastMessage || !lastMessage.u || lastMessage.pinned) {
  return I18n.t('No_Message');
  }
  if (lastMessage.t === 'jitsi_call_started') {
  