fix(ddm-alerts): Enable on-demand querying behaviour in alert charts (#60164)

When requesting alert chart data via `events-stats` we need to pass the
`useOnDemandMetrics` query param to enable the same query behaviour the
alert subscriptions have.

- requires https://github.com/getsentry/sentry/pull/60119

static/app/views/alerts/rules/metric/details/metricChart.tsx

@@ -573,6 +573,7 @@ class MetricChart extends PureComponent<Props, State> {
         partial={false}
         queryExtras={queryExtras}
         referrer="api.alerts.alert-rule-chart"
+        useOnDemandMetrics
       >
         {({loading, timeseriesData, comparisonTimeseriesData}) => (
           <Fragment>

static/app/views/alerts/rules/metric/triggers/chart/index.tsx

@@ -511,6 +511,7 @@ class TriggersChart extends PureComponent<Props, State> {
         currentSeriesNames={[formatMRIField(aggregate)]}
         partial={false}
         queryExtras={queryExtras}
+        useOnDemandMetrics
         dataLoadedCallback={onDataLoaded}
       >
         {({