Attach (recommended) or Link to PDF file here:
http://education.ohio.gov/getattachment/Topics/Special-Education/Preschool-Special-Education/ETR-Preschool-Planning-Form.pdf.aspx

- Web browser and its version: Firefox 89.0.1
- Operating system and its version: Windows 10 10.0.19043.1052
- PDF.js version: commit 5d251a3a3e7bfaa8fbfa07f0b7f9901eb3f999d9
- Is a browser extension: No

Steps to reproduce the problem:
1. Enable XFA support
2. Open form

What is the expected behavior? (add screenshot)
Shapes stay inside table cells
![image](https://user-images.githubusercontent.com/7104454/122572782-1252a580-d01c-11eb-9d0f-5fed46d6f2fe.png)

What went wrong? (add screenshot)
Shapes fall outside cells (among other issues)
![image](https://user-images.githubusercontent.com/7104454/122572885-2d251a00-d01c-11eb-8863-fa3b9969f0ea.png)

this.reasons = new XFAObjectArray();
    this.rectangle = new XFAObjectArray();
    this.ref = new XFAObjectArray();
    this.script = new XFAObjectArray();
    this.setProperty = new XFAObjectArray();
    this.signData = new XFAObjectArray();
    this.signature = new XFAObjectArray();
    this.signing = new XFAObjectArray();
    this.solid = new XFAObjectArray();
    this.speak = new XFAObjectArray();
    this.stipple = new XFAObjectArray();
    this.subform = new XFAObjectArray();
    this.subformSet = new XFAObjectArray();
    this.subjectDN = new XFAObjectArray();
    this.subjectDNs = new XFAObjectArray();
    this.submit = new XFAObjectArray();
    this.text = new XFAObjectArray();
    this.textEdit = new XFAObjectArray();
    this.time = new XFAObjectArray();
    this.timeStamp = new XFAObjectArray();
    this.toolTip = new XFAObjectArray();
    this.traversal = new XFAObjectArray();
    this.traverse = new XFAObjectArray();
    this.ui = new XFAObjectArray();
    this.validate = new XFAObjectArray();
    this.value = new XFAObjectArray();
    this.variables = new XFAObjectArray();
  }
}
class Radial extends XFAObject {