chore: fix legends representation in non-metric non-qb queries (#9351)

frontend/src/container/PanelWrapper/__tests__/legendScroll.test.ts

@@ -1,4 +1,5 @@
 /* eslint-disable sonarjs/no-duplicate-string */
+import { initialQueriesMap } from 'constants/queryBuilder';
 import { getUPlotChartOptions } from 'lib/uPlotLib/getUplotChartOptions';
 import { LegendPosition } from 'types/api/dashboard/getAll';
 
@@ -62,6 +63,7 @@ const baseOptions = {
 	legendPosition: LegendPosition.BOTTOM,
 	softMin: null,
 	softMax: null,
+	query: initialQueriesMap.metrics,
 };
 
 describe('Legend Scroll Position Preservation', () => {

frontend/src/lib/dashboard/getQueryResults.ts

@@ -28,6 +28,7 @@ import { prepareQueryRangePayload } from './prepareQueryRangePayload';
 import { QueryData } from 'types/api/widgets/getQuery';
 import { createAggregation } from 'api/v5/queryRange/prepareQueryRangePayloadV5';
 import { IDashboardVariable } from 'types/api/dashboard/getAll';
+import { EQueryType } from 'types/common/dashboard';
 
 /**
  * Validates if metric name is available for METRICS data source
@@ -142,6 +143,11 @@ export const getLegend = (
 	payloadQuery: Query,
 	labelName: string,
 ) => {
+	// For non-query builder queries, return the label name directly
+	if (payloadQuery.queryType !== EQueryType.QUERY_BUILDER) {
+		return labelName;
+	}
+
 	const aggregationPerQuery = payloadQuery?.builder?.queryData.reduce(
 		(acc, query) => {
 			if (query.queryName === queryData.queryName) {

frontend/src/lib/uPlotLib/utils/tests/__mocks__/uplotChartOptionsData.ts

@@ -1,4 +1,4 @@
-import { PANEL_TYPES } from 'constants/queryBuilder';
+import { initialQueriesMap, PANEL_TYPES } from 'constants/queryBuilder';
 import { GetUPlotChartOptions } from 'lib/uPlotLib/getUplotChartOptions';
 
 export const inputPropsTimeSeries = {
@@ -204,6 +204,7 @@ export const inputPropsTimeSeries = {
 	softMax: null,
 	softMin: null,
 	panelType: PANEL_TYPES.TIME_SERIES,
+	query: initialQueriesMap.metrics,
 } as GetUPlotChartOptions;
 
 export const inputPropsBar = {