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)

constructor(attributes) {
    super(TEMPLATE_NS_ID, "occur",  true);
    this.id = attributes.id || "";
    this.initial =
      attributes.initial !== ""
        ? getInteger({
            data: attributes.initial,
            defaultValue: "",
            validate: x => true,
          })
        : "";
    this.max =
      attributes.max !== ""
        ? getInteger({
            data: attributes.max,
            defaultValue: 1,
            validate: x => true,
          })
        : "";
    this.min =
      attributes.min !== ""
        ? getInteger({
            data: attributes.min,
            defaultValue: 1,
            validate: x => true,