renderForm helper method for Symfony base controller

controller.php

<?php

protected function renderForm(string $template, FormInterface $form, array $params = []): Response
{
    $code = $form->isSubmitted() && !$form->isValid() ? Response::HTTP_UNPROCESSABLE_ENTITY : Response::HTTP_OK;

    return $this->render($template, array_merge($params, ['form' => $form->createView()]), new Response(null, $code));
}

With such method, you can just use $this->renderForm('mytemplate.html.twig', $form).
See https://symfony.com/blog/new-in-symfony-5-3-form-handler-helper