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)

return new PageSet(attrs);
  }
  static para(attrs) {
    return new Para(attrs);
  }
  static passwordEdit(attrs) {
    return new PasswordEdit(attrs);
  }
  static pattern(attrs) {
    return new Pattern(attrs);
  }
  static picture(attrs) {
    return new Picture(attrs);
  }
  static proto(attrs) {
    return new Proto(attrs);
  }
  static radial(attrs) {
    return new Radial(attrs);
  }
  static reason(attrs) {
    return new Reason(attrs);
  }
  static reasons(attrs) {
    return new Reasons(attrs);
  }
  static rectangle(attrs) {
    return new Rectangle(attrs);
  }
  static ref(attrs) {