[v10.1.x] Search v1: Remove unnecessary subqueries (#72710)

Search v1: Remove unnecessary subqueries (#72388)

* Add feature flag

* Introduce interface and dummy implementation

* Add tests for the new filter

* accessControlDashboardPermissionFilterNoFolderSubquery implementation

* join only if it's necessary

* force ordering for tests

* Temporarily enable new query for benchmarks

(cherry picked from commit 2c26a02b82)

Co-authored-by: Sofia Papagiannaki <1632407+papagian@users.noreply.github.com>

packages/grafana-data/src/types/featureToggles.gen.ts

@@ -116,6 +116,7 @@ export interface FeatureToggles {
   awsAsyncQueryCaching?: boolean;
   splitScopes?: boolean;
   azureMonitorDataplane?: boolean;
+  permissionsFilterRemoveSubquery?: boolean;
   prometheusConfigOverhaulAuth?: boolean;
   configurableSchedulerTick?: boolean;
 }