Attach (recommended) or Link to PDF file here:
https://www.canada.ca/content/dam/ircc/migration/ircc/english/pdf/kits/forms/eimm5669e.pdf
[eimm5669e.pdf](https://github.com/mozilla/pdf.js/files/7225677/eimm5669e.2.pdf)

Configuration:
- Web browser and its version: Firefox nightly
- Operating system and its version: Linux Debian

Steps to reproduce the problem:
1. Look at the bottom of page 2

const style = toStyle(this, "border", "font", "margin");
    const field = this[$getParent]()[$getParent]();
    const html = {
      name: "input",
      attributes: {
        type: "text",
        fieldId: field[$uid],
        dataId: (field[$data] && field[$data][$uid]) || field[$uid],
        class: ["xfaTextfield"],
        style,
        "aria-label": ariaLabel(field),
      },
    };
    return HTMLResult.success({
      name: "label",
      attributes: {
        class: ["xfaLabel"],
      },
      children: [html],
    });
  }
}
class Occur extends XFAObject {