Material ComboBox popup changes position on second interaction.

#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QQuickStyle>

int main(int argc, char *argv[])
{
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
#endif

  QGuiApplication app(argc, argv);

  QQuickStyle::setStyle("Material");

  QQmlApplicationEngine engine;
  const QUrl url(QStringLiteral("qrc:/main.qml"));
  QObject::connect(&engine, &QQmlApplicationEngine::objectCreated,
                   &app, [url](QObject *obj, const QUrl &objUrl) {
    if (!obj && url == objUrl)
      QCoreApplication::exit(-1);
  }, Qt::QueuedConnection);
  engine.load(url);

  return app.exec();
}

import QtQuick 2.15
import QtQuick.Window 2.15
import QtQuick.Layouts 1.15
import QtQuick.Controls 2.15

Window {
    id: window
    width: 640
    height: 480
    visible: true
    title: qsTr("Hello World")

    ColumnLayout {
        width: parent.width
        height: parent.height

        ScrollView {
            Layout.fillHeight: true
            Layout.fillWidth: true
        }

        ToolBar {
            height: 100
            Layout.fillWidth: true

            ComboBox {
                id: boxofcombo
                model: ["One", "Zwei", "San", "Chetyre", "Vijf", "Seis", "Sept", "Bā"]
            }
        }
    }
}