message: fix: Dataset search when creating a chart
diff: @@ -253,9 +253,11 @@ export default class AddSliceContainer extends React.PureComponent<
  }).then((response: JsonResponse) => {
  const list: {
  customLabel: ReactNode;
  + id: number;
  label: string;
  value: string;
  }[] = response.json.result.map((item: Dataset) => ({
  + id: item.id,
  value: `${item.id}__${item.datasource_type}`,
  customLabel: this.newLabel(item),
  label: item.table_name,
  @@ -284,6 +286,7 @@ export default class AddSliceContainer extends React.PureComponent<
  name="select-datasource"
  onChange={this.changeDatasource}
  options={this.loadDatasources}
  + optionFilterProps={['id', 'label']}
  placeholder={t('Choose a dataset')}
  showSearch
  value={this.state.datasource}
  