[v10.0.x] RBAC: Do not search for parents of the root folder (#67806)

RBAC: Do not search for parents of the root folder (#67746)

do not search for parents of the general folder

(cherry picked from commit b1382ac48e)

Co-authored-by: Ieva <ieva.vasiljeva@grafana.com>

pkg/services/dashboards/accesscontrol.go

@@ -196,6 +196,9 @@ func resolveDashboardScope(ctx context.Context, folderDB folder.FolderStore, org
 }
 
 func GetInheritedScopes(ctx context.Context, orgID int64, folderUID string, folderSvc folder.Service) ([]string, error) {
+	if folderUID == ac.GeneralFolderUID {
+		return nil, nil
+	}
 	ancestors, err := folderSvc.GetParents(ctx, folder.GetParentsQuery{
 		UID:   folderUID,
 		OrgID: orgID,