message: don't show sublist header badge in collapsed mode
  just not enough space
diff: @@ -264,8 +264,8 @@ const RoomSubList = React.createClass({
  const subListNotifCount = subListNotifications[0];
  const subListNotifHighlight = subListNotifications[1];
  -
  let badge;
  + if (!this.props.collapsed) {
  const badgeClasses = classNames({
  'mx_RoomSubList_badge': true,
  'mx_RoomSubList_badgeHighlight': subListNotifHighlight,
  @@ -278,6 +278,7 @@ const RoomSubList = React.createClass({
  // no notifications but highlight anyway because this is an invite badge
  badge = <div className={badgeClasses} onClick={this._onInviteBadgeClick}>!</div>;
  }
  + }
  // When collapsed, allow a long hover on the header to show user
  // the full tag name and room count
  