Attach (recommended) or Link to PDF file here:
[arcs.pdf](https://github.com/mozilla/pdf.js/files/7610486/arcs.pdf)

Configuration:
- Web browser and its version: 96.0a1 (2021-11-26) (64-bit)
- Operating system and its version: Windows 10
- PDF.js version:
- Is a browser extension:

Steps to reproduce the problem:
1. Open PDF

What is the expected behavior? (add screenshot)
Arcs are drawn correctly, and can render on top of each other
![image](https://user-images.githubusercontent.com/7104454/143624981-1a45c37a-bc30-4b64-893a-684da9cdfe3b.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/7104454/143624965-5506df08-3510-4e60-908f-d64499050660.png)

Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension):

const assist = obj.assist;
  if (assist) {
    const assistTitle = assist[$toHTML]();
    if (assistTitle) {
      attributes.title = assistTitle;
    }
    const role = assist.role;
    const match = role.match(HEADING_PATTERN);
    if (match) {
      const ariaRole = "heading";
      const ariaLevel = match[1];
      attributes.role = ariaRole;
      attributes["aria-level"] = ariaLevel;
    }
  }
  
  
  if (obj.layout === "table") {