[VKB] Switching style at runtime causes keys to go blank

import QtQuick 2.15
import QtQuick.Window 2.15
import QtQuick.Controls 2.15
import QtQuick.VirtualKeyboard 1.2
import QtQuick.VirtualKeyboard.Settings 2.2

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

    Column {
        Button {
            text: "Toggle Style"
            checkable: true
            onClicked: VirtualKeyboardSettings.styleName = checked ? "retro" : "default"
        }
        TextField { placeholderText: "Type here" }
    }

    InputPanel {
        id: inputPanel
        z: 99
        x: 0
        y: window.height
        width: window.width

        states: State {
            name: "visible"
            when: inputPanel.active
            PropertyChanges {
                target: inputPanel
                y: window.height - inputPanel.height
            }
        }
    }
}