The test file at https://github.com/mozilla/pdf.js/blob/master/test/pdfs/annotation-choice-widget.pdf contains listboxes, which are not rendered correctly when printed right now. These kinds of fields are made by https://github.com/mozilla/pdf.js/blob/master/src/display/annotation_layer.js#L672-L678.

/cc @calixteman 
const color = this.data.backgroundColor || null;
    element.style.backgroundColor =
      color === null
        ? "transparent"
        : Util.makeHexColor(color[0], color[1], color[2]);
  }
  _dispatchEventFromSandbox(actions, jsEvent) {
    const setColor = (jsName, styleName, event) => {
      const color = event.detail[jsName];
      event.target.style[styleName] = ColorConverters[`${color[0]}_HTML`](
        color.slice(1)
      );
    };
    const commonActions = {
      display: event => {
        const hidden = event.detail.display % 2 === 1;
        event.target.style.visibility = hidden ? "hidden" : "visible";
        this.annotationStorage.setValue(this.data.id, {
          hidden,
          print: event.detail.display === 0 || event.detail.display === 3,
        });
      },
      print: event => {
        this.annotationStorage.setValue(this.data.id, {