message: [Bug] Closing change datasource modal throws JS error
diff: @@ -39,6 +39,7 @@ export default class DatasourceControl extends React.PureComponent {
  this.onEnterModal = this.onEnterModal.bind(this);
  this.toggleModal = this.toggleModal.bind(this);
  this.changeSearch = this.changeSearch.bind(this);
  + this.setSearchRef = this.setSearchRef.bind(this);
  this.selectDatasource = this.selectDatasource.bind(this);
  }
  onChange(vizType) {
  