Major Description
While creating the sales order from the backend, if we set the 'Ship Before Date' it will be stored in OrderItemShipGroup.shipByDate field and same will be propagated to OrderItemShipGrpInvRes.promisedDateTime and OrderItemShipGrpInvRes.currentPromisedDate fields.
On updating the 'Ship Before Date' from the order view page later, the promisedDateTime and currentPromisedDate get updated in OrderItemShipGroup entity but remains the same in OrderItemShipGroupInvRes entity.
As OrderItemShipGrpInvRes.promisedDateTime & OrderItemShipGrpInvRes.currentPromisedDate are being used in many services like 'getOrderItemShipGroupEstimatedShipDate', 'getItemBackOrderedQuantity', 'reserveProductInventory' etc., we should also update these on updating the 'Ship Before Date' from the order overview page.