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 
this.data.fieldValue = this.data.buttonValue = null;
    
    
    const fieldParent = params.dict.get("Parent");
    if (fieldParent instanceof Dict) {
      this.parent = params.dict.getRaw("Parent");
      const fieldParentValue = fieldParent.get("V");
      if (fieldParentValue instanceof Name) {
        this.data.fieldValue = this._decodeFormValue(fieldParentValue);
      }
    }
    
    const appearanceStates = params.dict.get("AP");
    if (!(appearanceStates instanceof Dict)) {
      return;
    }
    const normalAppearance = appearanceStates.get("N");
    if (!(normalAppearance instanceof Dict)) {
      return;
    }
    for (const key of normalAppearance.getKeys()) {
      if (key !== "Off") {
        this.data.buttonValue = this._decodeFormValue(key);
        break;
      }
    }