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)


"draw",
        "field",
        "exclGroup",
        "subform",
        "subformSet",
      ]),
      include: true,
    });
    if (!result.success) {
      if (result.isBreak()) {
        return result;
      }
      
      
      delete this[$extra];
      return HTMLResult.FAILURE;
    }
    style.width = measureToString(this[$extra].width);
    style.height = measureToString(this[$extra].height);
    const html = {
      name: "div",
      attributes,
      children,
    };
    const bbox = [this.x, this.y, this[$extra].width, this[$extra].height];
    delete this[$extra];
    return HTMLResult.success(html, bbox);
  }
}
class Assist extends XFAObject {