Attach (recommended) or Link to PDF file here:
[Scan-to-Mail-PDF1_(1).pdf](https://github.com/mozilla/pdf.js/files/6876708/Scan-to-Mail-PDF1_.1.pdf)

Configuration:
- Web browser and its version: Firefox Developer 91.0b7 (64-Bit)
- Operating system and its version: Windows 10 (21H1)
- PDF.js version: 2.10.339 (also tested with the online demo, Version 2.11.5)
- Is a browser extension:

Steps to reproduce the problem:
1. Open the attached pdf
2. Scroll to page 3

What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/7944797/126957487-cc7a2d19-adfb-42e4-9809-74e1a7a85048.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/7944797/126957351-29aebb4d-eadd-4273-b69d-530b9060c12c.png)




normalizeWhitespace = false,
    disableCombineTextItems = false,
    includeMarkedContent = false,
  } = {}) {
    const TEXT_CONTENT_CHUNK_SIZE = 100;
    return this._transport.messageHandler.sendWithStream(
      "GetTextContent",
      {
        pageIndex: this._pageIndex,
        normalizeWhitespace: normalizeWhitespace === true,
        combineTextItems: disableCombineTextItems !== true,
        includeMarkedContent: includeMarkedContent === true,
      },
      {
        highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
        size(textContent) {
          return textContent.items.length;
        },
      }
    );
  }
  /**
   * @param {getTextContentParameters} params - getTextContent parameters.
   * @returns {Promise<TextContent>} A promise that is resolved with a
   *   {@link TextContent} object that represents the page's text content.
   */
  getTextContent(params = {}) {