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

override = override || {
    unitsPerEm: 0,
    yMax: 0,
    yMin: 0,
    ascent: 0,
    descent: 0,
  };
  let ulUnicodeRange1 = 0;
  let ulUnicodeRange2 = 0;
  let ulUnicodeRange3 = 0;
  let ulUnicodeRange4 = 0;
  let firstCharIndex = null;
  let lastCharIndex = 0;
  if (charstrings) {
    for (let code in charstrings) {
      code |= 0;
      if (firstCharIndex > code || !firstCharIndex) {
        firstCharIndex = code;