Rename Group By Metrics to Aggregate by (#73980)

* Rename Group By Metrics to Aggregate by

* Update test

public/app/plugins/datasource/tempo/SearchTraceQLEditor/GroupByField.tsx

@@ -70,7 +70,7 @@ export const GroupByField = (props: Props) => {
 
   return (
     <InlineSearchField
-      label="Group By Metrics"
+      label="Aggregate by"
       tooltip="Select one or more tags to see the metrics summary. Note: the metrics summary API only considers spans of kind = server."
     >
       <>

public/app/plugins/datasource/tempo/SearchTraceQLEditor/TraceQLSearch.test.tsx

@@ -124,7 +124,7 @@ describe('TraceQLSearch', () => {
   it('should not render group by when feature toggle is not enabled', async () => {
     await waitFor(() => {
       render(<TraceQLSearch datasource={datasource} query={query} onChange={onChange} />);
-      const groupBy = screen.queryByText('Group By Metrics');
+      const groupBy = screen.queryByText('Aggregate by');
       expect(groupBy).toBeNull();
       expect(groupBy).not.toBeInTheDocument();
     });
@@ -134,7 +134,7 @@ describe('TraceQLSearch', () => {
     config.featureToggles.metricsSummary = true;
     await waitFor(() => {
       render(<TraceQLSearch datasource={datasource} query={query} onChange={onChange} />);
-      const groupBy = screen.queryByText('Group By Metrics');
+      const groupBy = screen.queryByText('Aggregate by');
       expect(groupBy).not.toBeNull();
       expect(groupBy).toBeInTheDocument();
     });