Revert "Use lineeditengine (as opposed to spinbox engine) to decide hover in spinboxes, as it is more robust."
Revert "Use lineeditengine (as opposed to spinbox engine) to decide hover in spinboxes, as it is more robust."

This reverts commit 18c7c4151a1f8b5b8ae7c58a9d07a8f8f0d73728.

blue-shell/carbon-gtk,KDE/oxygen-gtk,KDE/oxygen-gtk,blue-shell/carbon-gtk,blueshell-next/carbon-gtk,blueshell-next/carbon-gtk