Attach (recommended) or Link to PDF file here:
[FormDB2_fr.pdf](https://github.com/mozilla/pdf.js/files/7352426/FormDB2_fr.pdf)

Configuration:
- Web browser and its version: Firefox nightly
- Operating system and its version: linux debian

Steps to reproduce the problem:
1. Open the pdf
2. The image on the top of each pages is missing 

What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/5641725/137465500-e8788893-f33d-4532-871d-43b464fa85f4.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/5641725/137465363-f2b35fe4-6776-45e9-b9e4-ccef6d9ad670.png)

"topCenter",
      "topRight",
    ]);
    this.colSpan = getInteger({
      data: attributes.colSpan,
      defaultValue: 1,
      validate: n => n >= 1 || n === -1,
    });
    this.columnWidths = (attributes.columnWidths || "")
      .trim()
      .split(/\s+/)
      .map(x => (x === "-1" ? -1 : getMeasurement(x)));
    this.h = attributes.h ? getMeasurement(attributes.h) : "";
    this.hAlign = getStringOption(attributes.hAlign, [
      "left",
      "center",
      "justify",
      "justifyAll",
      "radix",
      "right",
    ]);
    this.id = attributes.id || "";
    this.layout = getStringOption(attributes.layout, [
      "position",
      "lr-tb",
      "rl-row",
      "rl-tb",
      "row",
      "table",
      "tb",