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)

}
    this[$pushPara]();
    const value = this.value[$toHTML](availableSpace).html;
    if (!value) {
      this[$popPara]();
      return HTMLResult.EMPTY;
    }
    const savedReserve = this.reserve;
    if (this.reserve <= 0) {
      const { w, h } = this[$getExtra](availableSpace);
      switch (this.placement) {
        case "left":
        case "right":
        case "inline":
          this.reserve = w;
          break;
        case "top":
        case "bottom":
          this.reserve = h;
          break;
      }
    }
    const children = [];
    if (typeof value === "string") {
      children.push({
        name: "#text",
        value,
      });
    } else {
      children.push(value);