message: use group layout for search results
diff: @@ -1977,8 +1977,9 @@ export default createReactClass({
  searchResultsPanel = (<div className="mx_RoomView_messagePanel mx_RoomView_messagePanelSearchSpinner" />);
  } else {
  searchResultsPanel = (
  - <ScrollPanel ref={this._searchResultsPanel}
  - className="mx_RoomView_messagePanel mx_RoomView_searchResultsPanel"
  + <ScrollPanel
  + ref={this._searchResultsPanel}
  + className="mx_RoomView_messagePanel mx_RoomView_searchResultsPanel mx_GroupLayout"
  onFillRequest={this.onSearchResultsFillRequest}
  resizeNotifier={this.props.resizeNotifier}
  >
  