QFileSystemModel with QDir::Files shows last opened dirs in QListView

#include <QtWidgets>

class Form : public QWidget
{
    Q_OBJECT
public:
    Form(QWidget *parent = nullptr) : QWidget(parent)
    {
        auto grid = new QGridLayout(this);
        auto list = new QListView;
        auto test = new QPushButton("Test Me");
        auto path = new QLineEdit("D:/test");
        grid->addWidget(list, 1, 0, 1, 3);
        grid->addWidget(test, 0, 2, 1, 1);
        grid->addWidget(path, 0, 0, 1, 2);

        auto model = new QFileSystemModel;
        model->setIconProvider(new QFileIconProvider);
        model->setFilter(QDir::Files);
        list->setModel(model);
        list->setRootIndex(model->setRootPath("D:/test"));
        connect(test, &QPushButton::clicked, [model, path, list] ()
        {
            list->setRootIndex(model->setRootPath(path->text()));
        });
    }
};

//------------------------------------------------------------------------------

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    Form w;
    w.resize(400, 400);
    w.show();
    return a.exec();
}