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.
}
    const fieldValue = getInheritableProperty({
      dict,
      key: "V",
      getArray: true,
    });
    data.fieldValue = this._decodeFormValue(fieldValue);
    const defaultFieldValue = getInheritableProperty({
      dict,
      key: "DV",
      getArray: true,
    });
    data.defaultFieldValue = this._decodeFormValue(defaultFieldValue);
    
    
    if (fieldValue === undefined && data.defaultFieldValue !== null) {
      data.fieldValue = data.defaultFieldValue;
    }
    data.alternativeText = stringToPDFString(dict.get("TU") || "");
    const defaultAppearance =
      getInheritableProperty({ dict, key: "DA" }) || params.acroForm.get("DA");
    this._defaultAppearance = isString(defaultAppearance)
      ? defaultAppearance
      : "";
    data.defaultAppearanceData = parseDefaultAppearance(
      this._defaultAppearance
    );
    const fieldType = getInheritableProperty({ dict, key: "FT" });
    data.fieldType = isName(fieldType) ? fieldType.name : null;
    const localResources = getInheritableProperty({ dict, key: "DR" });