message: fix(plugin-chart-echarts): fix default y axis bounds
diff: @@ -300,7 +300,7 @@ const config: ControlPanelConfig = {
  type: 'BoundsControl',
  label: t('Y Axis Bounds'),
  renderTrigger: true,
  - default: [null, null],
  + default: [undefined, undefined],
  description: t(
  'Bounds for the Y-axis. When left empty, the bounds are ' +
  'dynamically defined based on the min/max of the data. Note that ' +
  