refactor(standardized form data): refine interface and improve code smells (#20518)

superset-frontend/plugins/plugin-chart-echarts/src/BigNumber/BigNumberWithTrendline/controlPanel.tsx

@@ -22,6 +22,7 @@ import {
   D3_FORMAT_DOCS,
   D3_TIME_FORMAT_OPTIONS,
   formatSelectOptions,
+  getStandardizedControls,
   sections,
 } from '@superset-ui/chart-controls';
 import React from 'react';
@@ -270,13 +271,9 @@ const config: ControlPanelConfig = {
       label: t('Number format'),
     },
   },
-  denormalizeFormData: formData => ({
+  formDataOverrides: formData => ({
     ...formData,
-    metric: formData.standardizedFormData.standardizedState.metrics[0],
-  }),
-  updateStandardizedState: (prevState, currState) => ({
-    ...currState,
-    metrics: [currState.metrics[0], ...prevState.metrics.slice(1)],
+    metric: getStandardizedControls().shiftMetric(),
   }),
 };