Attach (recommended) or Link to PDF file here:
[Form_MGT-7.pdf](https://github.com/mozilla/pdf.js/files/6768253/Form_MGT-7.pdf)

When we try to open the above pdf, we get in the console:
```
Warning: XFA - an error occured during parsing and binding: TypeError: x.include is not a function
```
which is caused by a typo:
https://github.com/mozilla/pdf.js/blob/b9e84ba70ec5a4a30333b9092f316c9ec7b7f079/src/core/xfa/config.js#L174
 
So fixing the typo allows to open the pdf but there is only 1 page when we have 9 in using masterpdfeditor.
breakBeforeTarget = breakBefore.beforeTarget;
    } else if (
      root.subform.children.length >= 1 &&
      root.subform.children[0].break &&
      root.subform.children[0].break.beforeTarget
    ) {
      breakBefore = root.subform.children[0].break;
      breakBeforeTarget = breakBefore.beforeTarget;
    }
    if (breakBefore) {
      const target = this[$searchNode](
        breakBeforeTarget,
        breakBefore[$getParent]()
      );
      if (target instanceof PageArea) {
        pageArea = target;
        
        breakBefore[$extra] = {};
      }
    }
    if (!pageArea) {
      pageArea = pageAreas[0];
    }
    pageArea[$extra] = {
      numberOfUse: 1,
    };
    const pageAreaParent = pageArea[$getParent]();
    pageAreaParent[$extra] = {
      numberOfUse: 1,
      pageIndex: pageAreaParent.pageArea.children.indexOf(pageArea),