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

const pdfDoc = await loadingTask.promise;
      const pdfPage = await pdfDoc.getPage(1);
      const { items } = await pdfPage.getTextContent();
      const text = mergeText(items);
      expect(
        text.includes(`3 3 3 3
851.5 854.9 839.3 837.5
633.6 727.8 789.9 796.2
1,485.1 1,582.7 1,629.2 1,633.7
114.2 121.7 125.3 130.7
13.0x 13.0x 13.0x 12.5x`)
      ).toEqual(true);
      await loadingTask.destroy();
    });
    it("gets text content, with spaces (issue 10640)", async function () {
      const loadingTask = getDocument(buildGetDocumentParams("issue10640.pdf"));
      const pdfDoc = await loadingTask.promise;
      const pdfPage = await pdfDoc.getPage(1);
      const { items } = await pdfPage.getTextContent();
      const text = mergeText(items);
      expect(
        text.includes(`Open Sans is a humanist sans serif typeface designed by Steve Matteson.
Open Sans was designed with an upright stress, open forms and a neu-
tral, yet friendly appearance. It was optimized for print, web, and mobile
interfaces, and has excellent legibility characteristics in its letterforms (see
figure \x81 on the following page). This font is available from the Google Font
Directory [\x81] as TrueType files licensed under the Apache License version \x82.\x80.
This package provides support for this font in LATEX. It includes Type \x81
versions of the fonts, converted for this package using FontForge from its
sources, for full support with Dvips.`)