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)

const htmlValue = this.value[$toHTML]().html;
          if (htmlValue !== null) {
            value = htmlValue.children[0].value;
          }
        }
        if (this.ui.textEdit && this.value.text && this.value.text.maxChars) {
          ui.children[0].attributes.maxLength = this.value.text.maxChars;
        }
        if (value) {
          if (ui.children[0].name === "textarea") {
            ui.children[0].attributes.textContent = value;
          } else {
            ui.children[0].attributes.value = value;
          }
        }
      }
    }
    if (!caption) {
      if (ui.attributes.class) {
        
        ui.attributes.class.push("xfaLeft");
      }
      this.w = savedW;
      this.h = savedH;
      return HTMLResult.success(createWrapper(this, html), bbox);
    }
    if (this.ui.button) {
      if (style.padding) {
        delete style.padding;
      }