src/Form/Extension/Conversation/Type/FormTypeConversationExtension.php
public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $conversation = $this->conversationContext->getConversation();
        if ($conversation !== null) {
            $builder->setAttribute('conversation_factory', $builder->getFormFactory());
        }
    }
public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $conversation = $this->conversationContext->getConversation();
        if ($conversation !== null) {
            $builder->setAttribute('conversation_factory', $builder->getFormFactory());
        }
    }
{@inheritdoc}