Fix unit display for VSA charts

Overrides the default units formatter with
a custom function to ensure decimals are preserved
instead of being converted to engineering units

Changelog: fixed
EE: true

ee/app/assets/javascripts/analytics/cycle_analytics/components/tasks_by_type/tasks_by_type_chart.vue

@@ -16,6 +16,15 @@ export default {
       required: true,
     },
   },
+  additionalOptions: {
+    yAxis: [
+      {
+        axisLabel: {
+          formatter: (value) => value,
+        },
+      },
+    ],
+  },
 };
 </script>
 <template>
@@ -26,5 +35,6 @@ export default {
     y-axis-type="value"
     :x-axis-title="__('Date')"
     :y-axis-title="s__('CycleAnalytics|Number of tasks')"
+    :option="$options.additionalOptions"
   />
 </template>

ee/app/assets/javascripts/analytics/shared/components/scatterplot.vue

@@ -43,6 +43,11 @@ export default {
             formatter: (date) => dateFormat(date, dateFormats.defaultDate),
           },
         },
+        yAxis: {
+          axisLabel: {
+            formatter: (value) => value,
+          },
+        },
         dataZoom: [
           {
             type: 'slider',