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 

if (params.collectFields) {
      
      
      
      const kids = dict.get("Kids");
      if (Array.isArray(kids)) {
        const kidIds = [];
        for (const kid of kids) {
          if (isRef(kid)) {
            kidIds.push(kid.toString());
          }
        }
        if (kidIds.length !== 0) {
          this.data.kidIds = kidIds;
        }
      }
      this.data.actions = collectActions(
        params.xref,
        dict,
        AnnotationActionEventType
      );
      this.data.fieldName = this._constructFieldName(dict);
      this.data.pageIndex = params.pageIndex;
    }
    this._fallbackFontDict = null;
  }
  /**
   * @private
   */
  _hasFlag(flags, flag) {