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)

setTabIndex(this);
    if (
      !this.ui ||
      this.presence === "hidden" ||
      this.presence === "inactive" ||
      this.h === 0 ||
      this.w === 0
    ) {
      return HTMLResult.EMPTY;
    }
    if (this.caption) {
      
      
      
      delete this.caption[$extra];
    }
    const caption = this.caption
      ? this.caption[$toHTML](availableSpace).html
      : null;
    const savedW = this.w;
    const savedH = this.h;
    if (this.w === "" || this.h === "") {
      let marginH = 0;
      let marginV = 0;
      if (this.margin) {
        marginH = this.margin.leftInset + this.margin.rightInset;
        marginV = this.margin.topInset + this.margin.bottomInset;
      }