SwipeDelegate resizes incorrectly while it is open

import QtQuick 2.12
import QtQuick.Controls 2.15
import QtQuick.Layouts 1.0

ApplicationWindow {
    id: window
    visible: true
    width: 600
    height: 400

    SwipeDelegate {
        id: swipeDelegate
        text: "swipe to left here, then resize window"
        width: parent.width

        swipe.right: Item {
            width: swipeDelegate.width / 2
        }

        swipe.transition: Transition {
            SmoothedAnimation {
                velocity: 1
                maximumEasingTime: 100
                easing.type: Easing.InQuad
            }
        }
    }
}