Do not allow stock take to cause non-negative-allowed stock to go negative

Under certain circumstances, manage stock take can cause stock quantity to go below zero even if negative stock is not allowed for the product group. Required Functionality Either: For the value on the stock take to update with any movement that is made since the stock take was started. When entering a movement in or out for an item which exists on a stock take to get a warning to advise that it exists on a stock take and may cause discrepancies. When going back into the stock take to get a warning advising that the item has since had movement.