Attach (recommended) or Link to PDF file here:
PDF is [Sample lease contract 26.pdf](https://github.com/mozilla/pdf.js/files/1500985/Sample.lease.contract.26.pdf)

Steps to reproduce the problem:
I am using [https://mozilla.github.io/pdf.js/web/viewer.html](url) to preview pdf by opening the pdf.

now am searching for "**made is**" but its not showing in the pdfjs

and while selecting and copying pdf  text it has no space in b/w words

if (
      !glyph ||
      !glyph.matchesForCache(
        charcode,
        fontChar,
        unicode,
        accent,
        width,
        vmetric,
        operatorListId,
        isSpace,
        isInFont
      )
    ) {
      glyph = new Glyph(
        charcode,
        fontChar,
        unicode,
        accent,
        width,
        vmetric,
        operatorListId,
        isSpace,
        isInFont
      );
      this._glyphCache[charcode] = glyph;
    }
    return glyph;
  }
  charsToGlyphs(chars) {