Keyboard navigation focus in WebAssembly is half broken

import QtQuick
import QtQuick.Window
import QtQuick.Layouts
import QtQuick.Controls

ApplicationWindow {
    id: root

    height: 150
    visible: true
    width: 640

    onActiveFocusControlChanged: {
        console.log("New focus: " + root.activeFocusControl);
    }

    component BounceAnim: SequentialAnimation {
        id: bounce_anim
        required property Item target
        // alwaysRunToEnd: true
        NumberAnimation {
            target: bounce_anim.target
            properties: "y"
            to: -40
            duration: 100
            easing.type: Easing.OutCubic
        }
        NumberAnimation {
            target: bounce_anim.target
            properties: "y"
            to: 0
            duration: 300
            easing.type: Easing.OutBounce
        }
    }

    Flickable {
        anchors.fill: parent
        contentWidth: column.width
        contentHeight: column.height
        clip: true
        ColumnLayout {
            id: column
            width: Math.max(300, root.width)
            height: Math.max(150, root.height)

            // padding: 20
            spacing: 20
            RowLayout {
                Layout.margins: 20
                spacing: 40
                Layout.fillWidth: true
                Label {
                    text: "Path"
                }
                TextField {
                    id: field
                    Layout.fillWidth: true
                    KeyNavigation.tab: ok
                }
            }
            RowLayout {
                Layout.margins: 20
                Layout.alignment: Qt.AlignRight | Qt.AlignBottom
                Button {
                    id: ok
                    text: "OK"
                    onClicked: {
                        console.log("Hello!!! " + field.text);
                        anim_ok.restart();
                    }
                    BounceAnim {
                        id: anim_ok
                        target: ok
                    }
                }
                Button {
                    id: cancel
                    text: "Cancel"
                    onClicked: {
                        console.log("Cancel!!!");
                        anim_cancel.restart();
                    }
                    BounceAnim {
                        id: anim_cancel
                        target: cancel
                    }
                }
            }
        }
    }
}