Attach (recommended) or Link to PDF file here:
[test.pdf](https://github.com/mozilla/pdf.js/files/6715502/test.pdf)

Configuration:
- Web browser and its version: Google Chrome Version 91.0.4472.114 
- Operating system and its version: Windows 10 Enterprise
- PDF.js version: 
- Is a browser extension: yes

Steps to reproduce the problem:
1. download file
2. open file



What is the expected behavior? (add screenshot)
show symbol
![image](https://user-images.githubusercontent.com/50500976/123409847-55ca8800-d5b7-11eb-9e5b-c7f3b33c00e1.png)

What went wrong? (add screenshot)
Does not show symbol
![image](https://user-images.githubusercontent.com/50500976/123409707-274cad00-d5b7-11eb-9a64-b11dcf3cdc3f.png)
Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension): Latest Version Chrome extension

bytes[index + 1] = value;
  bytes[index] = value >>> 8;
}
function signedInt16(b0, b1) {
  const value = (b0 << 8) + b1;
  return value & (1 << 15) ? value - 0x10000 : value;
}
function int32(b0, b1, b2, b3) {
  return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
}
function string16(value) {
  return String.fromCharCode((value >> 8) & 0xff, value & 0xff);
}
function safeString16(value) {
  
  if (value > 0x7fff) {
    value = 0x7fff;
  } else if (value < -0x8000) {
    value = -0x8000;
  }
  return String.fromCharCode((value >> 8) & 0xff, value & 0xff);
}
function isTrueTypeFile(file) {
  const header = file.peekBytes(4);
  return (
    readUint32(header, 0) === 0x00010000 || bytesToString(header) === "true"
  );
}
function isTrueTypeCollectionFile(file) {