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, "comb");
    this.id = attributes.id || "";
    this.numberOfCells = getInteger({
      data: attributes.numberOfCells,
      defaultValue: 0,
      validate: x => x >= 0,
    });
    this.use = attributes.use || "";
    this.usehref = attributes.usehref || "";
  }
}
class Connect extends XFAObject {
  constructor(attributes) {
    super(TEMPLATE_NS_ID, "connect",  true);
    this.connection = attributes.connection || "";
    this.id = attributes.id || "";
    this.ref = attributes.ref || "";
    this.usage = getStringOption(attributes.usage, [
      "exportAndImport",
      "exportOnly",
      "importOnly",
    ]);
    this.use = attributes.use || "";
    this.usehref = attributes.usehref || "";
    this.picture = null;
  }
}
class ContentArea extends XFAObject {