message: autoFocus input box
diff: @@ -93,7 +93,7 @@ export default class DirectorySearchBox extends React.Component {
  className="mx_DirectorySearchBox_input"
  ref={this._collectInput}
  onChange={this._onChange} onKeyUp={this._onKeyUp}
  - placeholder={this.props.placeholder}
  + placeholder={this.props.placeholder} autoFocus
  />
  {join_button}
  <span className="mx_DirectorySearchBox_clear_wrapper">
  