Attach (recommended) or Link to PDF file here: [RenderIssue.pdf](https://github.com/mozilla/pdf.js/files/7583657/RenderIssue.pdf)

Configuration:
- Web browser and its version: Chrome Version 96.0.4664.45 (Official Build) (64-bit)
- Operating system and its version: Windows 10 Version 10.0.19042

- PDF.js version: v2.12.201 (If this looks incorrect, please take it from the URL)
- Is a browser extension: No, using https://mozilla.github.io/pdf.js/web/viewer.html

Steps to reproduce the problem:
1. Visit https://mozilla.github.io/pdf.js/web/viewer.html
2. Drop the attached PDF on to the page - [RenderIssue.pdf](https://github.com/mozilla/pdf.js/files/7583657/RenderIssue.pdf)

What is the expected behavior? It should appear as in Adobe Reader - 
![image](https://user-images.githubusercontent.com/94864394/142921185-1ee7034b-1db9-4b6d-ae08-4a9cb4426d70.png)

What went wrong? Some text is blank - 
![image](https://user-images.githubusercontent.com/94864394/142921086-a5ad3ad7-caac-40d8-92d3-684d59aee1f5.png)

Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension): N/A

cacheId,
      drawnWidth,
      drawnHeight,
      true
    );
    const groupCtx = scratchCanvas.context;
    
    
    groupCtx.scale(1 / scaleX, 1 / scaleY);
    groupCtx.translate(-offsetX, -offsetY);
    groupCtx.transform.apply(groupCtx, currentTransform);
    if (group.smask) {
      
      this.smaskStack.push({
        canvas: scratchCanvas.canvas,
        context: groupCtx,
        offsetX,
        offsetY,
        scaleX,
        scaleY,
        subtype: group.smask.subtype,
        backdrop: group.smask.backdrop,
        transferMap: group.smask.transferMap || null,
        startTransformInverse: null, 
      });
    } else {
      
      
      currentCtx.setTransform(1, 0, 0, 1, 0, 0);
      currentCtx.translate(offsetX, offsetY);