message: Swap classes instead of using 0 height elements
diff: @@ -23,6 +23,7 @@ import { sanitizedHtmlNode } from '../../HtmlUtils';
  import { _t } from '../../languageHandler';
  import AccessibleButton from '../views/elements/AccessibleButton';
  import Modal from '../../Modal';
  +import classnames from 'classnames';
  const RoomSummaryType = PropTypes.shape({
  room_id: PropTypes.string.isRequired,
  @@ -385,8 +386,10 @@ export default React.createClass({
  let nameNode;
  let shortDescNode;
  let rightButtons;
  - let headerBottom;
  let roomBody;
  + let headerClasses = {
  + mx_GroupView_header: true,
  + };
  if (this.state.editing) {
  let avatarImage;
  if (this.state.uploadingAvatar) {
  @@ -435,7 +438,6 @@ export default React.createClass({
  width="18" height="18" alt={_t("Cancel")}/>
  </AccessibleButton>
  </span>;
  - headerBottom = <div className="mx_GroupView_header_editBottom" />;
  roomBody = <div>
  <textarea className="mx_GroupView_editLongDesc" value={this.state.profileForm.long_description}
  onChange={this._onLongDescChange}
  @@ -465,7 +467,6 @@ export default React.createClass({
  if (summary.profile && summary.profile.long_description) {
  description = sanitizedHtmlNode(summary.profile.long_description);
  }
  - headerBottom = <div className="mx_GroupView_header_viewBottom" />;
  roomBody = <div>
  <div className="mx_GroupView_groupDesc">{description}</div>
  {this._getFeaturedRoomsNode()}
  @@ -475,11 +476,13 @@ export default React.createClass({
  rightButtons = <AccessibleButton className="mx_GroupHeader_button" onClick={this._onEditClick} title={_t("Edit Group")}>
  <TintableSvg src="img/icons-settings-room.svg" width="16" height="16"/>
  </AccessibleButton>;
  +
  + headerClasses.mx_GroupView_header_view = true;
  }
  return (
  <div className="mx_GroupView">
  - <div className="mx_GroupView_header">
  + <div className={classnames(headerClasses)}>
  <div className="mx_GroupView_header_leftCol">
  <div className="mx_GroupView_header_avatar">
  {avatarNode}
  @@ -497,7 +500,6 @@ export default React.createClass({
  {rightButtons}
  </div>
  </div>
  - {headerBottom}
  {roomBody}
  </div>
  );
  