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/accesscontrol/resourcepermissions/service_test.go

@@ -251,7 +251,7 @@ func TestService_RegisterActionSets(t *testing.T) {
 				},
 				{
 					Action:  "folders:edit",
-					Actions: []string{"folders:read", "dashboards:read", "folders:write", "dashboards:write"},
+					Actions: []string{"folders:read", "dashboards:read", "folders:write", "dashboards:write", "folders:create"},
 				},
 			},
 		},