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

for (let i = 0; i < numTables; i++) {
        const platformId = file.getUint16();
        const encodingId = file.getUint16();
        const offset = file.getInt32() >>> 0;
        let useTable = false;
        
        
        if (
          potentialTable &&
          potentialTable.platformId === platformId &&
          potentialTable.encodingId === encodingId
        ) {
          continue;
        }
        if (
          platformId === 0 &&
          (encodingId ===  0 ||
            encodingId ===  1 ||
            encodingId ===  3)
        ) {
          useTable = true;
          
          
        } else if (platformId === 1 && encodingId === 0) {
          useTable = true;
          
          
        } else if (
          platformId === 3 &&