message: fix: muc user list timeout
diff: @@ -206,9 +206,9 @@ export default class MultiUserChatWindow extends ChatWindow {
  $('body').click();
  $('body').one('click', this.toggleMemberList);
  - ul.mouseleave(function() {
  + ul.mouseleave(() => {
  ul.data('timer', window.setTimeout(this.toggleMemberList, 2000));
  - }).mouseenter(function() {
  + }).mouseenter(() => {
  window.clearTimeout(ul.data('timer'));
  });
  } else {
  