message: Only join a room when enter is hit when the join button is shown
diff: @@ -59,7 +59,7 @@ export default class DirectorySearchBox extends React.Component {
  }
  _onKeyUp(ev) {
  - if (ev.key == 'Enter') {
  + if (ev.key == 'Enter' && this.props.showJoinButton) {
  if (this.props.onJoinClick) {
  this.props.onJoinClick(this.state.value);
  }
  