feat(user): complete growth level chain

inc/helpers/aksrt-single-components.php

@@ -409,7 +409,7 @@ if (!function_exists('aksrt_resolve_allow_view_rule')) :
 					$ok = true;
 				}
 				if (!$ok && $need_level > 0) {
-					$user_level = (int) get_user_meta($user_id, 'aksrt_user_level', true);
+					$user_level = class_exists('\AKSRT\User\Level') ? \AKSRT\User\Level::get_level($user_id) : 0;
 					if ($user_level >= $need_level) {
 						$ok = true;
 					}