message: fix(plugin-chart-echarts): missing dnd control in tree chart
diff: * under the License.
  */
  import React from 'react';
  -import { t } from '@superset-ui/core';
  +import { FeatureFlag, isFeatureEnabled, t } from '@superset-ui/core';
  import { ControlPanelConfig, sections, sharedControls } from '@superset-ui/chart-controls';
  import { DEFAULT_FORM_DATA } from './types';
  @@ -85,7 +85,9 @@ const controlPanel: ControlPanelConfig = {
  name: 'metric',
  config: {
  ...optionalEntity,
  - type: 'MetricsControl',
  + type: isFeatureEnabled(FeatureFlag.ENABLE_EXPLORE_DRAG_AND_DROP)
  + ? 'DndMetricSelect'
  + : 'MetricsControl',
  label: t('Metric'),
  description: t('Metric for node values'),
  },
  