QListView reports wrong contentsMargins with Vista style

#include <QApplication>
#include <QListView>
#include <QStringListModel>

class ListView : public QListView
{
public:
  explicit ListView(QWidget *parent = nullptr)
  : QListView(parent)
  {
    setUniformItemSizes(true);
  }

  QSize sizeHint() const override
  {
    QMargins margins = contentsMargins();
    return { QListView::sizeHint().width(),
             margins.top() +
             10 * rectForIndex(indexAt(QPoint(0, 0))).height() +
             margins.bottom() };
  }
};

int main(int argc, char **argv)
{
  QApplication app(argc, argv);

  QStringListModel model({"0", "1", "2", "3", "4", "5", "6", "7", "8", "9"});

  ListView view;
  view.setModel(&model);
  view.show();

  return QApplication::exec();
}