Attach (recommended) or Link to PDF file here:
[test.pdf](https://github.com/mozilla/pdf.js/files/6270827/test.pdf)
Configuration:
- Web browser and its version:chrome 89
- Operating system and its version:win10
- PDF.js version: 2.4/2.7/2.8 no working
- Is a browser extension: no 

What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/18545199/113852392-1ae26080-97cf-11eb-9dc9-0cecf52d267b.png)

What went wrong? (add screenshot)
![1617791294(1)](https://user-images.githubusercontent.com/18545199/113852355-10c06200-97cf-11eb-8672-598750f1093a.jpg)


console this log : **FormatError: TrueType Collection does not contain "DCWGQU+CambriaMath" font** 

any solution?thanks
this.black = name.search(/Black/g) !== -1;
      
      
      const isNarrow = name.search(/Narrow/g) !== -1;
      
      this.remeasure =
        (!isStandardFont || isNarrow) && Object.keys(this.widths).length > 0;
      if (
        (isStandardFont || isMappedToStandardFont) &&
        type === "CIDFontType2" &&
        this.cidEncoding.startsWith("Identity-")
      ) {
        const GlyphMapForStandardFonts = getGlyphMapForStandardFonts(),
          cidToGidMap = properties.cidToGidMap;
        
        
        const map = [];
        for (const charCode in GlyphMapForStandardFonts) {
          map[+charCode] = GlyphMapForStandardFonts[charCode];
        }
        if (/Arial-?Black/i.test(name)) {
          var SupplementalGlyphMapForArialBlack = getSupplementalGlyphMapForArialBlack();
          for (const charCode in SupplementalGlyphMapForArialBlack) {
            map[+charCode] = SupplementalGlyphMapForArialBlack[charCode];
          }
        } else if (/Calibri/i.test(name)) {
          const SupplementalGlyphMapForCalibri = getSupplementalGlyphMapForCalibri();
          for (const charCode in SupplementalGlyphMapForCalibri) {