public function buildForm(FormBuilderInterface $builder, array $options): void
    {
        $builder
            ->add('email')
            ....
            ->add('password',HiddenType::class,['attr'=>['value'=>'dummy']]) #<--- AJOUTER CETTE LIGNE
            ->add('plainPassword', PasswordType::class, [
               ...
                    ]),
                ],
            ])
        ;
    }