Update refId for instant queries (#27954)

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

@@ -137,7 +137,15 @@ export class LokiDatasource extends DataSourceApi<LokiQuery, LokiOptions> {
         }
 
         return {
-          data: [lokiResultsToTableModel(response.data.data.result, responseListLength, target.refId, meta, true)],
+          data: [
+            lokiResultsToTableModel(
+              response.data.data.result,
+              responseListLength,
+              `${target.refId}_instant`,
+              meta,
+              true
+            ),
+          ],
           key: `${target.refId}_instant`,
         };
       }),