fix(charts): Hide Values greater than Max Y Axis Bound on Mixed Time Series with Bar series (#21015)

* Mixed TimeSeries:

- When Bar chart is used as serie type, we need to hide values that are greater than the max Y Axis Bound.

* Mixed Time Series:

- Simplify logic for getOverMaxHiddenFormatter

* Mixed Time Series:

- Add tests for new getOverMaxHiddenFormatter util func

superset-frontend/plugins/plugin-chart-echarts/src/utils/series.ts

@@ -24,6 +24,7 @@ import {
   DTTM_ALIAS,
   ensureIsArray,
   GenericDataType,
+  NumberFormats,
   NumberFormatter,
   TimeFormatter,
 } from '@superset-ui/core';
@@ -326,3 +327,24 @@ export function getAxisType(dataType?: GenericDataType): AxisType {
   }
   return 'category';
 }
+
+export function getOverMaxHiddenFormatter(
+  config: {
+    max?: number;
+    formatter?: NumberFormatter;
+  } = {},
+) {
+  const { max, formatter } = config;
+  // Only apply this logic if there's a MAX set in the controls
+  const shouldHideIfOverMax = !!max || max === 0;
+
+  return new NumberFormatter({
+    formatFunc: value =>
+      `${
+        shouldHideIfOverMax && value > max
+          ? ''
+          : formatter?.format(value) || value
+      }`,
+    id: NumberFormats.OVER_MAX_HIDDEN,
+  });
+}