Dynamic translations seem not working with QQmlApplicationEngine::loadFromModule()

void QQmlApplicationEnginePrivate::init()
{
    Q_Q(QQmlApplicationEngine);
    q->connect(q, &QQmlApplicationEngine::quit, QCoreApplication::instance(),
               &QCoreApplication::quit, Qt::QueuedConnection);
    q->connect(q, &QQmlApplicationEngine::exit, QCoreApplication::instance(),
               &QCoreApplication::exit, Qt::QueuedConnection);
    QObject::connect(q, &QJSEngine::uiLanguageChanged, q, [this]()

{         _q_loadTranslations();     }

);
#if QT_CONFIG(translation)
    QTranslator* qtTranslator = new QTranslator(q);
    if (qtTranslator->load(QLocale(), QLatin1String("qt"), QLatin1String("_"), QLibraryInfo::path(QLibraryInfo::TranslationsPath), QLatin1String(".qm")))
        QCoreApplication::installTranslator(qtTranslator);
    else
        delete qtTranslator;
#endif
    auto *selector = new QQmlFileSelector(q,q);
    selector->setExtraSelectors(extraFileSelectors);
    QCoreApplication::instance()->setProperty("__qml_using_qqmlapplicationengine", QVariant(true));
}

void QQmlApplicationEnginePrivate::_q_loadTranslations()
{
#if QT_CONFIG(translation)
    Q_Q(QQmlApplicationEngine);
    if (translationsDirectory.isEmpty())
        return;

    auto translator = std::make_unique<QTranslator>();
    if (!uiLanguage.value().isEmpty()) {
        QLocale locale(uiLanguage);
        if (translator->load(locale, QLatin1String("qml"), QLatin1String("_"), translationsDirectory, QLatin1String(".qm")))

{             if (activeTranslator)                 QCoreApplication::removeTranslator(activeTranslator.get());             QCoreApplication::installTranslator(translator.get());             activeTranslator.swap(translator);         }

    } else

{         activeTranslator.reset();     }

    q->retranslate();
#endif
}

void QQmlApplicationEnginePrivate::startLoad(const QUrl &url, const QByteArray &data, bool dataFlag)
{
    Q_Q(QQmlApplicationEngine);

    ensureInitialized();

    if (url.scheme() == QLatin1String("file") || url.scheme() == QLatin1String("qrc"))

{         QFileInfo fi(QQmlFile::urlToLocalFileOrQrc(url));         translationsDirectory = fi.path() + QLatin1String("/i18n");     }

else

{         translationsDirectory.clear();     }

    _q_loadTranslations(); //Translations must be loaded before the QML file is
    QQmlComponent *c = new QQmlComponent(q, q);

    if (dataFlag)
        c->setData(data,url);
    else
        c->loadUrl(url);

    ensureLoadingFinishes(c);
}

void QQmlApplicationEnginePrivate::startLoad(QAnyStringView uri, QAnyStringView type)

{     Q_Q(QQmlApplicationEngine);     _q_loadTranslations(); //Translations must be loaded before the QML file is     QQmlComponent *c = new QQmlComponent(q, q);     ensureInitialized();     c->loadFromModule(uri, type);     ensureLoadingFinishes(c); }