#[LiveAction]
public function submit(): BinaryFileResponse
{
    $this->validate();

    return $this->file($this->exporter->generate($this->items));
}

public function submit(UriSigner $uriSigner): Response
{
    $this->validate();


    $file = $this->exporter->generate($this->items)

    $url = $this->generateUrl('admin_download', ['file' => base64_encode($file)]);

    return $this->redirect($uriSigner->sign($url));
}