message: [chart] fix, bulk delete endpoint and error message
diff: @@ -280,11 +280,9 @@ class ChartList extends React.PureComponent<Props, State> {
  );
  };
  - handleBulkDashboardDelete = (charts: Chart[]) => {
  + handleBulkChartDelete = (charts: Chart[]) => {
  SupersetClient.delete({
  - endpoint: `/api/v1/dashboard/?q=!(${charts
  - .map(({ id }) => id)
  - .join(',')})`,
  + endpoint: `/api/v1/chart/?q=!(${charts.map(({ id }) => id).join(',')})`,
  }).then(
  ({ json = {} }) => {
  const { lastFetchDataConfig } = this.state;
  @@ -296,7 +294,7 @@ class ChartList extends React.PureComponent<Props, State> {
  (err: any) => {
  console.error(err);
  this.props.addDangerToast(
  - t('There was an issue deleting the selected dashboards'),
  + t('There was an issue deleting the selected charts'),
  );
  },
  );
  @@ -408,7 +406,7 @@ class ChartList extends React.PureComponent<Props, State> {
  description={t(
  'Are you sure you want to delete the selected charts?',
  )}
  - onConfirm={this.handleBulkDashboardDelete}
  + onConfirm={this.handleBulkChartDelete}
  >
  {confirmDelete => {
  const bulkActions = [];
  