Application doesn't respond for some ListView configuration.

import QtQuick 2.12


Item {
    id: root
    width: 640
    height: 480

    ListView {
        focus: true
        anchors.fill: parent
        model: 10
        header: Rectangle {
            width: 640
            height: 50
            color: "green"
            z: 11
            opacity: 0.5
        }
        headerPositioning: ListView.OverlayHeader
        spacing: 50
        snapMode: ListView.SnapToItem
        preferredHighlightBegin: 0.1
        preferredHighlightEnd: 0.1
        highlightRangeMode: ListView.ApplyRange

        delegate: Rectangle {
            width: 640
            height: 100
            color: ListView.isCurrentItem ? "red" : "blue"

        }
    }
}