fix: revert some changes

Author: pulpdrew

packages/app/src/components/DBTimeChart.tsx

@@ -29,7 +29,7 @@ function DBTimeChartComponent({
   logReferenceTimestamp,
   onSettled,
   onTimeRangeSelect,
-  queryKeyPrefix = '',
+  queryKeyPrefix,
   referenceLines,
   setDisplayType,
   showDisplaySwitcher = true,

packages/app/src/hooks/useChartConfig.tsx

@@ -123,7 +123,7 @@ export function useQueriedChartConfig(
   const clickhouseClient = useClickhouseClient();
 
   const query = useQuery<TQueryFnData, ClickHouseQueryError | Error>({
-    queryKey: ['', config],
+    queryKey: [config],
     queryFn: streamedQuery({
       streamFn: context =>
         fetchDataInChunks(config, clickhouseClient, context.signal),