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 

const FONT_FACTOR = 0.8;
      if (lineCount === -1) {
        fontSize = roundWithOneDigit(FONT_FACTOR * height);
      } else {
        
        
        
        
        
        
        
        fontSize = 10;
        let lineHeight = fontSize / FONT_FACTOR;
        let numberOfLines = Math.round(height / lineHeight);
        numberOfLines = Math.max(numberOfLines, lineCount);
        lineHeight = height / numberOfLines;
        fontSize = roundWithOneDigit(FONT_FACTOR * lineHeight);
      }
      const { fontName, fontColor } = this.data.defaultAppearanceData;
      this._defaultAppearance = createDefaultAppearance({
        fontSize,
        fontName,
        fontColor,
      });
    }
    return [this._defaultAppearance, fontSize];
  }
  _renderText(text, font, fontSize, totalWidth, alignment, hPadding, vPadding) {