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

constructor(
    originalCharCode,
    fontChar,
    unicode,
    accent,
    width,
    vmetric,
    operatorListId,
    isSpace,
    isInFont
  ) {
    this.originalCharCode = originalCharCode;
    this.fontChar = fontChar;
    this.unicode = unicode;
    this.accent = accent;
    this.width = width;
    this.vmetric = vmetric;
    this.operatorListId = operatorListId;
    this.isSpace = isSpace;
    this.isInFont = isInFont;
    const category = getCharUnicodeCategory(unicode);
    this.isWhitespace = category.isWhitespace;
    this.isDiacritic = category.isDiacritic;
  }
  matchesForCache(