CC-32416: fixed ci issues. (#10728)

SC-17846 Fixed CI issues.

Author: romanhavrylko

src/Spryker/Shared/Symfony/Form/Extension/DoubleSubmitProtection/Type/DoubleSubmitFormType.php

@@ -119,7 +119,7 @@ public function finishView(FormView $view, FormInterface $form, array $options):
 
         $factory = $form->getConfig()->getFormFactory();
         $token = $this->tokenGenerator->generateToken();
-        $fieldName = $options[static::OPTION_KEY_TOKEN_FIELD_NAME];
+        $fieldName = (string)$options[static::OPTION_KEY_TOKEN_FIELD_NAME];
         $formName = $form->getName() ?: get_class($form->getConfig()->getType()->getInnerType());
         $this->storage->setToken($formName, $token);