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 
get value() {
    return this._value;
  }
  set value(value) {
    if (!value || value === "Off") {
      this._value = "Off";
    } else {
      super.value = value;
    }
  }
  _getExportValue(state) {