PanelData: include structure revision info and only apply overrides once (#33098)

* calculate schemaRevision in panel query runner

* schema > structureRev

* calculate revision after apply field overrides

* this.state

* don't apply field overrides if the shape is already the same

* check schema revision

* update snapshots

public/app/plugins/panel/timeseries/TimeSeriesPanel.tsx

@@ -52,6 +52,7 @@ export const TimeSeriesPanel: React.FC<TimeSeriesPanelProps> = ({
   return (
     <GraphNG
       data={data.series}
+      structureRev={data.structureRev}
       timeRange={timeRange}
       timeZone={timeZone}
       width={width}