RBAC: Remove dashboard and folder guardians (#104646)

* replace usage of folder guardians with access control evaluators

* remove NewByFolderUID guardian

* bring up to date

* fix test

* more test fixes, and don't fetch the folder before evaluating lib element access

* change what error is returned

* fix alerting test

* try to fix linter errors

* replace the use of newByFolder guardian with direct access control evaluator checks

* remove newByFolder guardian

* get rid of dashboard and folder guardians

* undo unwanted change

* undo unwanted change

* undo unwanted change

* update code owners

pkg/api/folder_bench_test.go

@@ -39,7 +39,6 @@ import (
 	dashboardservice "github.com/grafana/grafana/pkg/services/dashboards/service"
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/services/folder/folderimpl"
-	"github.com/grafana/grafana/pkg/services/guardian"
 	"github.com/grafana/grafana/pkg/services/licensing/licensingtest"
 	"github.com/grafana/grafana/pkg/services/org/orgimpl"
 	"github.com/grafana/grafana/pkg/services/quota/quotatest"
@@ -504,7 +503,6 @@ func setupServer(b testing.TB, sc benchScenario, features featuremgmt.FeatureTog
 	}
 
 	hs.AccessControl = acimpl.ProvideAccessControl(featuremgmt.WithFeatures())
-	guardian.InitAccessControlGuardian(hs.Cfg, hs.AccessControl, hs.DashboardService, hs.folderService, log.NewNopLogger())
 
 	m.Get("/api/folders", hs.GetFolders)
 	m.Get("/api/search", hs.Search)