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)

const parent = this[$getParent]();
    if (parent instanceof SubformSet) {
      return parent[$getSubformParent]();
    }
    return parent;
  }
  [$isBindable]() {
    return true;
  }
  [$isThereMoreWidth]() {
    return (
      (this.layout.endsWith("-tb") &&
        this[$extra].attempt === 0 &&
        this[$extra].numberInLine > 0) ||
      this[$getParent]()[$isThereMoreWidth]()
    );
  }
  *[$getContainedChildren]() {
    
    
    yield* getContainedChildren(this);
  }
  [$flushHTML]() {
    return flushHTML(this);
  }
  [$addHTML](html, bbox) {
    addHTML(this, html, bbox);
  }
  [$getAvailableSpace]() {