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)

if (node[$extra]) {
    return false;
  }
  node[$extra] = Object.create(null);
  if (node.targetType === "auto") {
    return false;
  }
  const root = node[$getTemplateRoot]();
  let target = null;
  if (node.target) {
    target = root[$searchNode](node.target, node[$getParent]());
    if (!target) {
      return false;
    }
    target = target[0];
  }
  const { currentPageArea, currentContentArea } = root[$extra];
  if (node.targetType === "pageArea") {
    if (!(target instanceof PageArea)) {
      target = null;
    }
    if (node.startNew) {
      node[$extra].target = target || currentPageArea;
      return true;
    } else if (target && target !== currentPageArea) {