TapHandler over Flickable blocks interaction with Flickable by mouse but not by touch

import QtQuick
import QtQuick.Controls
import QtQuick.Window

Window {
    id: window
    width: 500
    height: 500
    visible: true
    Flickable {
        id: flickable
        anchors.top: parent.top
        anchors.left: parent.left
        width: 300; height: 300
        contentWidth: rect.width;
        contentHeight: rect.height
        clip: true
        Rectangle {
            id: rect
            color: "red"
            width: 300; 
            height: 600
        }
        ScrollBar.vertical : ScrollBar {}
        ScrollBar.horizontal : ScrollBar {}
    }
    Item {
        anchors.fill: flickable
        TapHandler {
            onTapped: function(eventPoint, button) {
                print("tapped")
            }
        }
    }
}