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)


constructor(attributes) {
    super(TEMPLATE_NS_ID, "rectangle",  true);
    this.hand = getStringOption(attributes.hand, ["even", "left", "right"]);
    this.id = attributes.id || "";
    this.use = attributes.use || "";
    this.usehref = attributes.usehref || "";
    this.corner = new XFAObjectArray(4);
    this.edge = new XFAObjectArray(4);
    this.fill = null;
  }
  [$toHTML]() {
    const edge = this.edge.children.length
      ? this.edge.children[0]
      : new Edge({});
    const edgeStyle = edge[$toStyle]();
    const style = Object.create(null);
    if (this.fill) {
      Object.assign(style, this.fill[$toStyle]());
    } else {
      style.fill = "transparent";
    }
    style.strokeWidth = measureToString(
      edge.presence === "visible" ? 2 * edge.thickness : 0
    );
    style.stroke = edgeStyle.color;
    const corner = this.corner.children.length
      ? this.corner.children[0]