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

constructor(attributes) {
    super(TEMPLATE_NS_ID, "field",  true);
    this.access = getStringOption(attributes.access, [
      "open",
      "nonInteractive",
      "protected",
      "readOnly",
    ]);
    this.accessKey = attributes.accessKey || "";
    this.anchorType = getStringOption(attributes.anchorType, [
      "topLeft",
      "bottomCenter",
      "bottomLeft",
      "bottomRight",
      "middleCenter",
      "middleLeft",
      "middleRight",
      "topCenter",
      "topRight",
    ]);
    this.colSpan = getInteger({
      data: attributes.colSpan,
      defaultValue: 1,