feat: Floating Point Formatting for Scatter Point Chart (#35915)

Co-authored-by: Vincent <vincent.trung4@gmail.com>

superset-frontend/plugins/plugin-chart-echarts/src/Timeseries/transformProps.ts

@@ -189,6 +189,7 @@ export default function transformProps(
     xAxisSort,
     xAxisSortAsc,
     xAxisTimeFormat,
+    xAxisNumberFormat,
     xAxisTitle,
     xAxisTitleMargin,
     yAxisBounds,
@@ -485,7 +486,9 @@ export default function transformProps(
   const xAxisFormatter =
     xAxisDataType === GenericDataType.Temporal
       ? getXAxisFormatter(xAxisTimeFormat)
-      : String;
+      : xAxisDataType === GenericDataType.Numeric
+        ? getNumberFormatter(xAxisNumberFormat)
+        : String;
 
   const {
     setDataMask = () => {},