[Reg 6.2.12->6.5.5] Assertion when using "required objectName" with ListElement

import QtQuick

Window {
    id: root
    width: 640
    height: 480
    visible: true

    ListView {
        anchors.fill: parent
        model: ListModel {
            ListElement { objectName: "Apple" }
            ListElement { objectName: "Banana" }
        }
        delegate: Text {
            required objectName
            text: objectName
        }
    }
}