[Regr: 6.5.0->6.5.1] Broken "implicitWidth", "implicitHeight" bindings

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

Window {
    width: 640
    height: 480
    visible: true
    title: qsTr("Hello World")

    Item {
        id: mainItem

        readonly property Component dragItemComponent: Item {
            id: dragItem

            readonly property QtObject dragData: dragDataLoader.item
            readonly property bool isDragActive: true

            Loader {
                id: dragDataLoader

                active: dragItem.isDragActive
                sourceComponent: QtObject {
                    readonly property string description: "Foo ".repeat(100)
                }
            }
            Loader {
                id: dragDataDescriptionLoader

                active: dragItem.isDragActive
                visible: item !== null
                sourceComponent: Pane {
                    contentItem: ColumnLayout {
                        Label {
                            Layout.maximumWidth: 100

                            text: dragItem.dragData ? "%1".arg(dragItem.dragData.description) : ""
                            elide: Label.ElideRight
                        }
                    }
                    background: Rectangle {
                        color: "grey"
                    }
                }
            }
        }

        Button {
            text: "Create Drag"
            onClicked: {
                mainItem.dragItemComponent.createObject(mainItem, {x: 100, y: 100});
            }
        }
    }
}