Attach (recommended) or Link to PDF file here:
[docOficialPDF.php.pdf](https://github.com/mozilla/pdf.js/files/7159923/docOficialPDF.php.pdf)

Configuration:
- Web browser and its version: Firefox nightly
- Operating system and its version: linux debian
- PDF.js version: built-in viewer
- Is a browser extension: no

Steps to reproduce the problem:
1. Open the pdf page 2
2. Checkbox "Alta" in section 2 must be checked

It works fine with evince.
return Promise.all([
      pdfManager.ensureCatalog("acroForm"),
      collectFields ? this._getPageIndex(xref, ref, pdfManager) : -1,
    ]).then(([acroForm, pageIndex]) =>
      pdfManager.ensure(this, "_create", [
        xref,
        ref,
        pdfManager,
        idFactory,
        acroForm,
        collectFields,
        pageIndex,
      ])
    );
  }
  /**
   * @private
   */
  static _create(