Metrics dashboard crosshair should not snap

app/assets/javascripts/monitoring/components/charts/options.js

@@ -81,7 +81,7 @@ export const getTimeAxisOptions = ({ timezone = timezones.LOCAL } = {}) => ({
     formatter: date => formatDate(date, { format: formats.shortTime, timezone }),
   },
   axisPointer: {
-    snap: true,
+    snap: false,
   },
 });
 

spec/frontend/monitoring/components/charts/time_series_spec.js

@@ -411,6 +411,12 @@ describe('Time series component', () => {
             });
           });
 
+          describe('xAxis pointer', () => {
+            it('snap is set to false by default', () => {
+              expect(getChartOptions().xAxis.axisPointer.snap).toBe(false);
+            });
+          });
+
           describe('are extended by `option`', () => {
             const mockSeriesName = 'Extra series 1';
             const mockOption = {