Range splitting: Omit instant queries from splitting (#63705)

Range splitting: omit instant queries from splitting

public/app/plugins/datasource/loki/queryUtils.ts

@@ -315,6 +315,11 @@ export function requestSupportsPartitioning(allQueries: LokiQuery[]) {
     return false;
   }
 
+  const instantQueries = queries.some((query) => query.queryType === LokiQueryType.Instant);
+  if (instantQueries) {
+    return false;
+  }
+
   if (queries[0].refId.includes('do-not-chunk')) {
     return false;
   }