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)

}
          if (node.trailer) {
            trailer = this[$searchNode](node.trailer, node[$getParent]());
            trailer = trailer ? trailer[0] : null;
          }
          if (node.targetType === "pageArea") {
            targetPageArea = node[$extra].target;
            i = Infinity;
          } else if (!node[$extra].target) {
            
            i = node[$extra].index;
          } else {
            targetPageArea = node[$extra].target;
            startIndex = node[$extra].index + 1;
            i = Infinity;
          }
          continue;
        }
        if (this[$extra].overflowNode) {
          const node = this[$extra].overflowNode;
          this[$extra].overflowNode = null;
          const overflowExtra = node[$getExtra]();
          const target = overflowExtra.target;
          overflowExtra.addLeader = overflowExtra.leader !== null;
          overflowExtra.addTrailer = overflowExtra.trailer !== null;
          flush(i);
          i = Infinity;
          if (target instanceof PageArea) {
            
            targetPageArea = target;