feat(ux): after-sale multi-step, ban appeal, message types, coupon wallet

Orders center gains after-sale tickets (return ship/cancel/timeline),
coupon wallet list, ban-appeal page, and expanded message center tabs.

functions.php

@@ -264,6 +264,9 @@ if (class_exists('\AKSRT\User\AuthApply')) {
 if (class_exists('\AKSRT\Core\DocumentNav')) {
     \AKSRT\Core\DocumentNav::get_instance()->init();
 }
+if (class_exists('\AKSRT\User\BanAppeal')) {
+    \AKSRT\User\BanAppeal::get_instance()->init();
+}
 if (class_exists('\AKSRT\Messages\SiteNotice')) {
     \AKSRT\Messages\SiteNotice::get_instance()->init();
 }