Attach (recommended) or Link to PDF file here:
https://www.placementsmondiauxsunlife.com/content/dam/sunlife/regional/canada/documents/slgi/4839-I-F.pdf

Configuration:

- Web browser and its version: 91.0a1 (2021-07-03) (64-bit)
- Operating system and its version: Windows 10

Steps to reproduce the problem:
1. enableXfa = true
2. Open form

What is the expected behavior? (add screenshot)

![image](https://user-images.githubusercontent.com/7104454/124389449-1ede2b80-dcb5-11eb-98ba-01e1f3d6c6f5.png)


What went wrong? (add screenshot)

![image](https://user-images.githubusercontent.com/7104454/124389460-2c93b100-dcb5-11eb-9768-98ddd2c8f1e7.png)

this.radius = getMeasurement(attributes.radius);
    this.stroke = getStringOption(attributes.stroke, [
      "solid",
      "dashDot",
      "dashDotDot",
      "dashed",
      "dotted",
      "embossed",
      "etched",
      "lowered",
      "raised",
    ]);
    this.thickness = getMeasurement(attributes.thickness, "0.5pt");
    this.use = attributes.use || "";
    this.usehref = attributes.usehref || "";
    this.color = null;
    this.extras = null;
  }
  [$toStyle]() {
    
    
    
    
    
    const style = toStyle(this, "visibility");
    style.radius = measureToString(this.join === "square" ? 0 : this.radius);
    return style;
  }
}
class DateElement extends ContentObject {