qmltc: QML Engine should instantiate qmltc-generated C++ class where available

// Main.qml
import QtQuick
import QmltcStudy

Window {
    width: 800
    height: 600
    visible: true

    MyType {
        id: qmlObj
        objectName: "qmlObj"
    }
    Component.onCompleted: console.log("Created from QML:", qmlObj)
}

// main.cpp
#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include "mytype.h"

int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);

    QQmlApplicationEngine engine;
    engine.loadFromModule("QmltcStudy", "Main");

    QmltcStudy::MyType cppObj(&engine);
    qDebug() << "Created from C++:" << &cppObj;

    auto qmlObj = engine.rootObjects().first()->findChild<QObject*>("qmlObj");
    qDebug() << "Attempting to cast QML to C++:" << qobject_cast<QmltcStudy::MyType*>(qmlObj);

    return app.exec();
}