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 maxRun =
      this.layout === "lr-tb" || this.layout === "rl-tb"
        ? MAX_ATTEMPTS_FOR_LRTB_LAYOUT
        : 1;
    for (; this[$extra].attempt < maxRun; this[$extra].attempt++) {
      if (this[$extra].attempt === MAX_ATTEMPTS_FOR_LRTB_LAYOUT - 1) {
        
        
        
        this[$extra].numberInLine = 0;
      }
      const result = this[$childrenToHTML]({
        filter,
        include: true,
      });
      if (result.success) {
        break;
      }
      if (result.isBreak()) {
        return result;
      }
    }
    if (!isSplittable) {
      unsetFirstUnsplittable(this);
    }
    if (this[$extra].attempt === maxRun) {
      if (!isSplittable) {
        delete this[$extra];
      }
      return HTMLResult.FAILURE;