Attach (recommended) or Link to PDF file here:
issue13500 (in test corpus)

This regressed when landing #13566. 

What is the expected behavior? (add screenshot)
<img width="664" alt="image" src="https://user-images.githubusercontent.com/942640/122467522-7bc8aa80-cf6f-11eb-9d4d-311eb7c64fb2.png">


What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/942640/122467565-85eaa900-cf6f-11eb-9c10-8a8686ed440c.png)


id = `${fieldId}-radio`;
    } else {
      type = "checkbox";
      className = "xfaCheckbox";
    }
    const input = {
      name: "input",
      attributes: {
        class: [className],
        style,
        fieldId,
        type,
      },
    };
    if (id) {
      input.attributes.id = id;
    }
    if (groupId) {
      input.attributes.name = groupId;
    }
    return HTMLResult.success({
      name: "label",
      attributes: {
        class: ["xfaLabel"],
      },
      children: [input],
    });
  }
}
class ChoiceList extends XFAObject {