[macOS] QAccessibleInterface::window() is never called; accessibility tools cannot see the top-level window that holds a widget/Item

#include <QtWidgets>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    QTextEdit te;
    te.setWindowTitle("Qt Widgets Window");
    te.show();

    return a.exec();
}

import QtQuick.Controls.Basic

ApplicationWindow {
    width: 400
    height: 300
    visible: true
    title: "Qt Quick Window"

    TextArea { anchors.fill: parent }
}

#include <QApplication>
#include <QMainWindow>
#include <QTextEdit>
#include <QAccessibleWidget>

class MyAccessibleWidget : public QAccessibleWidget
{
public:
    explicit MyAccessibleWidget(QWidget *w, const QString &name = "MyWidget")
        : QAccessibleWidget(w, QAccessible::EditableText, name)
    {}

    QString text(QAccessible::Text) const override
    {
        qDebug("MyAccessibleWidget::text() called");
        return QStringLiteral("Am I accessible?");
    }

    QWindow *window() const override
    {
        qDebug("MyAccessibleWidget::window() called");
        return QAccessibleWidget::window();
    }
};

static QAccessibleInterface *myFactoryFunction(const QString &, QObject *object)
{
    auto te = qobject_cast<QTextEdit*>(object);
    return te ? new MyAccessibleWidget(te) : nullptr;
}

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    QAccessible::installFactory(&myFactoryFunction);

    QMainWindow mw;
    mw.setCentralWidget(new QTextEdit(&mw));
    mw.show();

    return app.exec();
}