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 style = toStyle("margin");
    const size = measureToString(this.size);
    style.width = style.height = size;
    let type;
    let className;
    let groupId;
    const field = this[$getParent]()[$getParent]();
    const items =
      (field.items.children.length &&
        field.items.children[0][$toHTML]().html) ||
      [];
    const exportedValue = {
      on: (items[0] !== undefined ? items[0] : "on").toString(),
      off: (items[1] !== undefined ? items[1] : "off").toString(),
    };
    const value = (field.value && field.value[$text]()) || "off";
    const checked = value === exportedValue.on || undefined;
    const container = field[$getSubformParent]();
    const fieldId = field[$uid];
    let dataId;
    if (container instanceof ExclGroup) {
      groupId = container[$uid];
      type = "radio";
      className = "xfaRadio";
      dataId = (container[$data] && container[$data][$uid]) || container[$uid];
    } else {
      type = "checkbox";