appelts/notifications: Fix Notifications positions
window position is double buffered, so it's needed to call an explicit QWindow::update() after we ask to move the popup with PlasmaShellWaylandIntegration::get(this)->setPosition(me->pos());
window position is double buffered, so it's needed to call an explicit QWindow::update() after we ask to move the popup with PlasmaShellWaylandIntegration::get(this)->setPosition(me->pos());