..F....... [ZBX-4785] Rename method CTweenBox::addNewItem() to CTweenBox::addItem().
..F....... [ZBX-4785] Restore explicit sorting in places where tween box items is also used in a dropdown.
..F....... [ZBX-4785] Improve CTweenBox::sortItemsByCaptions() by using order_result() instead of CArrayHelper::sort().