Fusion style: no way to distinguish between enabled/disabled buttons

import QtQuick
import QtQuick.Controls.Fusion

Window {
    width: 640
    height: 480
    visible: true
    title: qsTr("Test window")

    Button {
        id: testButton

        readonly property Timer timer: Timer {
            interval: 5000
            running: false
            repeat: false
            onTriggered: () => testButton.enabled = true
        }

        text: qsTr("Disable for 5s")
        onClicked: () => {
            testButton.enabled = false
            testButton.timer.start()
        }
    }
}