======================
QToolTip removed the Windows specific behaviour of passing a screen widget as parent for QLabel
in 44fb925f50471ebc23dcccfaa4e9d9873b05d205. NotificationBox code is simplified not to use a
parent widget at all.
A inappropriate review fix actually causing a bug is fixed.
https://github.com/FreeCAD/FreeCAD/pull/8352#discussion_r1111342024