Attach (recommended) or Link to PDF file here:
[Scan-to-Mail-PDF1_(1).pdf](https://github.com/mozilla/pdf.js/files/6876708/Scan-to-Mail-PDF1_.1.pdf)

Configuration:
- Web browser and its version: Firefox Developer 91.0b7 (64-Bit)
- Operating system and its version: Windows 10 (21H1)
- PDF.js version: 2.10.339 (also tested with the online demo, Version 2.11.5)
- Is a browser extension:

Steps to reproduce the problem:
1. Open the attached pdf
2. Scroll to page 3

What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/7944797/126957487-cc7a2d19-adfb-42e4-9809-74e1a7a85048.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/7944797/126957351-29aebb4d-eadd-4273-b69d-530b9060c12c.png)




const horizon = [
    {
      start: -Infinity,
      end: Infinity,
      boundary: fakeBoundary,
    },
  ];
  for (const boundary of bounds) {
    
    
    let i = 0;
    while (i < horizon.length && horizon[i].end <= boundary.y1) {
      i++;
    }
    let j = horizon.length - 1;
    while (j >= 0 && horizon[j].start >= boundary.y2) {
      j--;
    }
    let horizonPart, affectedBoundary;
    let q,
      k,
      maxXNew = -Infinity;
    for (q = i; q <= j; q++) {
      horizonPart = horizon[q];
      affectedBoundary = horizonPart.boundary;
      let xNew;
      if (affectedBoundary.x2 > boundary.x1) {