fix(uservalidationbyemail): makes emailsent page public

Marks uservalidationbyemail/emailsent as a public page in walled garden to
ensure that newly registered users receive a understandabe comfirmation page.

Fixes #7334

mod/uservalidationbyemail/start.php

@@ -220,6 +220,7 @@ function uservalidationbyemail_validate_new_admin_user($event, $type, $user) {
  */
 function uservalidationbyemail_public_pages($hook, $type, $return_value, $params) {
 	$return_value[] = 'uservalidationbyemail/confirm';
+	$return_value[] = 'uservalidationbyemail/emailsent';
 	return $return_value;
 }