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/services/annotations/annotationsimpl/annotations_test.go

@@ -29,7 +29,6 @@ import (
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/services/folder"
 	"github.com/grafana/grafana/pkg/services/folder/folderimpl"
-	"github.com/grafana/grafana/pkg/services/guardian"
 	alertingStore "github.com/grafana/grafana/pkg/services/ngalert/store"
 	"github.com/grafana/grafana/pkg/services/quota/quotatest"
 	"github.com/grafana/grafana/pkg/services/search/sort"
@@ -242,12 +241,6 @@ func TestIntegrationAnnotationListingWithInheritedRBAC(t *testing.T) {
 		dashStore, err := database.ProvideDashboardStore(sql, cfg, features, tagService)
 		require.NoError(t, err)
 
-		origNewGuardian := guardian.New
-		guardian.MockDashboardGuardian(&guardian.FakeDashboardGuardian{CanViewValue: true, CanSaveValue: true})
-		t.Cleanup(func() {
-			guardian.New = origNewGuardian
-		})
-
 		ac := actest.FakeAccessControl{ExpectedEvaluate: true}
 		fStore := folderimpl.ProvideStore(sql)
 		folderStore := folderimpl.ProvideDashboardFolderStore(sql)