Attach (recommended) or Link to PDF file here: 
[A Sample PDF Clean 0 degree with all annotations-original-rotated.pdf](https://github.com/mozilla/pdf.js/files/6551789/A.Sample.PDF.Clean.0.degree.with.all.annotations-original-rotated.pdf)

Configuration:
- Web browser and its version: all browsers, tested with Chrome and Firefox latest versions.
- Operating system and its version: tested in Windows 10
- PDF.js version: current (online version)

Steps to reproduce the problem:
1. Visit https://mozilla.github.io/pdf.js/web/viewer.html
2. Upload the file above
3. Notice that several annotations such as arrow, freehand & polyline are missing (compared to Acrobat Reader)
![image](https://user-images.githubusercontent.com/45581023/119781014-11d35d00-befd-11eb-8daa-64f15374cf5b.png)


What is the expected behavior?
- Should display all annotations accordingly to Acrobat Reader

What went wrong? 
- Several annotations are missing such as arrow, freehand & polyline
- Opacity property is not supported and cannot be retrieved via getAnnotations 

this.data.modificationDate = this.modificationDate;
      }
      this.data.hasPopup = parent.has("Popup");
      if (!parent.has("C")) {
        
        this.data.color = null;
      } else {
        this.setColor(parent.getArray("C"));
        this.data.color = this.color;
      }
    } else {
      this.data.title = stringToPDFString(dict.get("T") || "");
      this.setCreationDate(dict.get("CreationDate"));
      this.data.creationDate = this.creationDate;
      this.data.hasPopup = dict.has("Popup");
      if (!dict.has("C")) {
        
        this.data.color = null;
      }
    }
  }
  /**
   * Set the creation date.
   *
   * @public
   * @memberof MarkupAnnotation
   * @param {string} creationDate - PDF date string that indicates when the
   *                                annotation was originally created
   */
  setCreationDate(creationDate) {