Window animations change the physical geometry in relation to the
geometry known in Qt. Windows may not be found by
QGuiApplication::topLevelAt() as expected.
Turn animations off in Linux provisioning.
Task-number: QTBUG-130811
Pick-to: 6.8 6.8.1 6.5
Change-Id: Id0fa13f4dd38b21dd141f4b51308903ccaf40bba
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Liang Qi <liang.qi@qt.io>
