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)

super[$clean](builder);
    const parent = this[$getParent]();
    const defaultValue = parent instanceof Draw ? 1 : 0;
    this.multiLine = getInteger({
      data: this.multiLine,
      defaultValue,
      validate: x => x === 0 || x === 1,
    });
  }
  [$toHTML](availableSpace) {
    
    const style = toStyle(this, "border", "font", "margin");
    let html;
    const field = this[$getParent]()[$getParent]();
    if (this.multiLine === 1) {
      html = {