Attach (recommended) or Link to PDF file here: [form-cms1500.pdf](https://github.com/mozilla/pdf.js/files/5670936/form-cms1500.pdf) (Original opened in Acrobat and checked one radio-button)
Original Source: https://www.cigna.com/static/www-cigna-com/docs/health-care-providers/form-cms1500.pdf

Configuration:
- Web browser and its version: FF 83.0
- Operating system and its version: Win 10 Pro
- PDF.js version: 2.7.355

Steps to reproduce the problem:
1. Open the PDF here: https://mozilla.github.io/pdf.js/web/viewer.html
2. See that all radio-buttons are checked, which is wrong.

What is the expected behavior? (add screenshot)
![grafik](https://user-images.githubusercontent.com/12390057/101734698-f72d3900-3ac0-11eb-817e-94ce276797e8.png)

What went wrong? (add screenshot)
![grafik](https://user-images.githubusercontent.com/12390057/101734712-fc8a8380-3ac0-11eb-833d-412243a7950c.png)

This radio-button field can be found in object `45 0 obj`.
if (!this.data.quadPoints) {
      return null;
    }
    const quadrilaterals = [];
    const savedRect = this.data.rect;
    for (const quadPoint of this.data.quadPoints) {
      this.data.rect = [
        quadPoint[2].x,
        quadPoint[2].y,
        quadPoint[1].x,
        quadPoint[1].y,
      ];
      quadrilaterals.push(this._createContainer(ignoreBorder));
    }
    this.data.rect = savedRect;
    return quadrilaterals;
  }
  /**
   * Create a popup for the annotation's HTML element. This is used for
   * annotations that do not have a Popup entry in the dictionary, but
   * are of a type that works with popups (such as Highlight annotations).
   *
   * @private
   * @param {HTMLDivElement|HTMLImageElement|null} trigger
   * @param {Object} data
   * @memberof AnnotationElement
   */
  _createPopup(trigger, data) {