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)




if (fakeWorkerCapability) {
      return fakeWorkerCapability.promise;
    }
    fakeWorkerCapability = createPromiseCapability();
    const loader = async function () {
      const mainWorkerMessageHandler = getMainThreadWorkerMessageHandler();
      if (mainWorkerMessageHandler) {
        
        return mainWorkerMessageHandler;
      }
      if (typeof PDFJSDev === "undefined" || !PDFJSDev.test("PRODUCTION")) {
        const worker = await import("pdfjs/core/worker.js");
        return worker.WorkerMessageHandler;
      }
      if (
        PDFJSDev.test("GENERIC") &&
        isNodeJS &&
        
        typeof __non_webpack_require__ === "function"
      ) {