Attach (recommended) or Link to PDF file here: [ICEE-B.2017.8192026.pdf](https://github.com/mozilla/pdf.js/files/6651211/ICEE-B.2017.8192026.pdf)

Configuration:
- Web browser and its version:  Firefox 89.0 (64-bit)
- Operating system and its version: Windows 10 Pro Version 21H1
- PDF.js version: I don't know, sorry
- Is a browser extension: No

Steps to reproduce the problem:
1. Open PDF
2. Figure 1 in page 2 is missing

What is the expected behavior? (add screenshot)
This is how it looks in Edge
![image](https://user-images.githubusercontent.com/40286841/121958287-839b0b80-cd31-11eb-8400-7d9c088d83fa.png)

What went wrong? (add screenshot)
This is how it looks in firefox
![image](https://user-images.githubusercontent.com/40286841/121958359-99a8cc00-cd31-11eb-9d15-b94d5884e03d.png)


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

const groupCtx = this.ctx;
      this.groupLevel--;
      this.ctx = this.groupStack.pop();
      composeSMask(this.ctx, this.current.activeSMask, groupCtx);
      this.ctx.restore();
      this.ctx.save(); 
      copyCtxState(groupCtx, this.ctx);
      
      this.current.resumeSMaskCtx = groupCtx;
      
      
      const deltaTransform = Util.transform(
        this.current.activeSMask.startTransformInverse,
        groupCtx.mozCurrentTransform
      );
      this.ctx.transform.apply(this.ctx, deltaTransform);
      
      groupCtx.save();
      groupCtx.setTransform(1, 0, 0, 1, 0, 0);
      groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);
      groupCtx.restore();
    }
    resumeSMaskGroup() {