[Reg? 6.2.7 -> 6.4.2] New warnings in QtWebEngineQuick

Warning: main.qml:2:1: Warnings occurred while importing module "QtWebEngine":
import QtWebEngine
^^^^^^
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Warning: C:\Qt\6.4.2\msvc2019_64\qml\QtWebChannel\plugins.qmltypes:15:37: Meta object revision and export version differ.
Revision 0 corresponds to version 0.0; it should be 1.0.

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QWebEngineCertificateError is neither a QObject, nor default- and copy-constructible. You should not use it as a QML type.
QWebEngineFullScreenRequest is neither a QObject, nor default- and copy-constructible. You should not use it as a QML type.
QWebEngineLoadingInfo is neither a QObject, nor default- and copy-constructible. You should not use it as a QML type.