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

numGlyphs,
      dupFirstEntry
    ) {
      if (!header) {
        if (metrics) {
          metrics.data = null;
        }
        return;
      }
      file.pos = (file.start ? file.start : 0) + header.offset;
      file.pos += 4; 
      file.pos += 2; 
      file.pos += 2; 
      file.pos += 2; 
      file.pos += 2; 
      file.pos += 2; 
      file.pos += 2; 
      file.pos += 2; 
      file.pos += 2; 
      file.pos += 2; 
      const caretOffset = file.getUint16();
      file.pos += 8; 
      file.pos += 2; 
      let numOfMetrics = file.getUint16();
      if (caretOffset !== 0) {
        const macStyle = int16(headTable.data[44], headTable.data[45]);
        if (!(macStyle & 2)) {
          
          header.data[22] = 0;
          header.data[23] = 0;