Fix : bug in user creation in PROD with no password

src/Application/Sonata/UserBundle/Admin/UserAdmin.php

@@ -26,6 +26,7 @@ use Sonata\CoreBundle\Form\Type\DatePickerType;
 use Sonata\UserBundle\Admin\Model\UserAdmin as BaseUserAdmin;
 use Sonata\UserBundle\Form\Type\SecurityRolesType;
 use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
+use Symfony\Component\Form\Extension\Core\Type\HiddenType;
 use Symfony\Component\Form\Extension\Core\Type\LocaleType;
 use Symfony\Component\Form\Extension\Core\Type\PasswordType;
 use Symfony\Component\Form\Extension\Core\Type\RepeatedType;
@@ -193,6 +194,14 @@ class UserAdmin extends BaseUserAdmin
                     'required' => (!$this->getSubject() || null === $this->getSubject()->getId()),
                 ))
             ;
+        } else {
+            $formMapper
+                ->add('plainPassword', HiddenType::class, [
+                    'data' => random_bytes(10),
+                    'required' => false,
+                    'validation_groups' => false
+                ])
+            ;
         }
         $formMapper->end()
                 ->with('Profile')