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)

case "dashDot":
          style.style = "dashed";
          break;
        case "dashDotDot":
          style.style = "dashed";
          break;
        case "dashed":
          style.style = "dashed";
          break;
        case "dotted":
          style.style = "dotted";
          break;
        case "embossed":
          style.style = "ridge";
          break;
        case "etched":
          style.style = "groove";
          break;
        case "lowered":
          style.style = "inset";
          break;
        case "raised":
          style.style = "outset";
          break;
      }
    }
    return style;
  }
}
class Encoding extends OptionObject {