Windows11 style: wrong size hint for (editable) QComboBox

int main(int argc, char* argv[])
{
    QApplication a(argc, argv);
    QPixmap pm(16, 16);
    pm.fill(Qt::red);
    QIcon ico(pm);
    QWidget w;
    QHBoxLayout* lay = new QHBoxLayout(&w);
    QComboBox* cbx1 = new QComboBox;
    cbx1->addItems({ "12345678901234567890", "2345678901234567890", "345678901234567890" });
    lay->addWidget(cbx1);
    QComboBox* cbx2 = new QComboBox;
    cbx2->addItems({ "12345678901234567890", "2345678901234567890", "345678901234567890" });
    cbx2->setEditable(true);
    lay->addWidget(cbx2);
    QComboBox* cbx3 = new QComboBox;
    cbx3->addItem(ico, "12345678901234567890");
    lay->addWidget(cbx3);
    QComboBox* cbx4 = new QComboBox;
    cbx4->addItem(ico, "12345678901234567890");
    cbx4->setEditable(true);
    lay->addWidget(cbx4);
    QComboBox* cbx5 = new QComboBox;
    cbx5->addItem("12345678901234567890");
    cbx5->setFrame(false);
    lay->addWidget(cbx5);
    w.show();
}