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

baseFontCharCode,
            accentFontCharCode,
            accentOffset,
          };
        }
      }
      properties.seacMap = seacMap;
    }
    const unitsPerEm = 1 / (properties.fontMatrix || FONT_IDENTITY_MATRIX)[0];
    const builder = new OpenTypeFileBuilder("\x4F\x54\x54\x4F");
    
    builder.addTable("CFF ", font.data);
    
    builder.addTable("OS/2", createOS2Table(properties, newCharCodeToGlyphId));
    
    builder.addTable("cmap", createCmapTable(newCharCodeToGlyphId, numGlyphs));
    
    builder.addTable(
      "head",
      "\x00\x01\x00\x00" + 
        "\x00\x00\x10\x00" + 
        "\x00\x00\x00\x00" + 
        "\x5F\x0F\x3C\xF5" + 
        "\x00\x00" + 
        safeString16(unitsPerEm) + 
        "\x00\x00\x00\x00\x9e\x0b\x7e\x27" + 
        "\x00\x00\x00\x00\x9e\x0b\x7e\x27" + 
        "\x00\x00" + 
        safeString16(properties.descent) + 
        "\x0F\xFF" +