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):

this._p0[0],
        this._p0[1],
        this._p1[0],
        this._p1[1]
      );
    } else if (this._type === "radial") {
      grad = tmpCtx.createRadialGradient(
        this._p0[0],
        this._p0[1],
        this._r0,
        this._p1[0],
        this._p1[1],
        this._r1
      );
    }
    for (const colorStop of this._colorStops) {
      grad.addColorStop(colorStop[0], colorStop[1]);
    }
    tmpCtx.fillStyle = grad;
    tmpCtx.fill();
    const pattern = ctx.createPattern(tmpCanvas.canvas, "repeat");
    if (patternTransform) {
      pattern.setTransform(patternTransform);
    } else {
      pattern.setTransform(createMatrix(ctx.mozCurrentTransformInverse));
    }
    return pattern;
  }
}
function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {