Keep the status if it has been set by an upstream subscriber

Closes #3450140

src/Service/CasUserManager.php

@@ -168,7 +168,8 @@ class CasUserManager {
   public function register($authname, $local_username, array $property_values = []) {
     $property_values['name'] = $local_username;
     $property_values['pass'] = $this->randomPassword();
-    $property_values['status'] = (int) !$this->isAdminApprovalNeeded();
+    // Respect a previous status set by any of the upstream subscribers.
+    $property_values['status'] ??= (int) !$this->isAdminApprovalNeeded();
 
     try {
       $user = $this->externalAuth->register($authname, $this->provider, $property_values);