modelData is lost when using a nested QML component inside a Repeater

import QtQuick
import QtQuick.Controls.Basic
Window {
    width: 640
    height: 480
    visible: true
    title: qsTr("Hello World")
    Repeater {
        model: ['one', 'two']
        MyButton {
            text: modelData
        }
    }
    component FirstComponent : Item {
        required property var control
    }
    component SecondComponent : FirstComponent {}
    component MyButton : Button {
        id: btn
        contentItem: SecondComponent {
            id: myContentItem
            control: btn
        }
    }
}