Folders: Allow folder editors and admins to create subfolders without any additional permissions (#91215)

* separate permissions for root level folder creation and subfolder creation

* fix tests

* fix tests

* fix tests

* frontend fix

* Update pkg/api/accesscontrol.go

Co-authored-by: Eric Leijonmarck <eric.leijonmarck@gmail.com>

* fix frontend when action sets are disabled

---------

Co-authored-by: Eric Leijonmarck <eric.leijonmarck@gmail.com>

pkg/services/dashboards/database/database_folder_test.go

@@ -291,8 +291,6 @@ func TestIntegrationDashboardInheritedFolderRBAC(t *testing.T) {
 			Permissions: map[int64]map[string][]string{u.OrgID: accesscontrol.GroupScopesByActionContext(context.Background(), []accesscontrol.Permission{
 				{
 					Action: dashboards.ActionFoldersCreate,
-				}, {
-					Action: dashboards.ActionFoldersWrite,
 					Scope:  dashboards.ScopeFoldersAll,
 				}}),
 			},