Split picking order if some of the items are deliverable (RTC-39914)

Picking orders are split when some of the item's are deliverable and dispatched to dispatching store with the freight item:

• Items that are available for picking + freight item(s) are sent to Chain Web/dispatchstore
• Items not available for picking are assigned and stay at the dummy store 

When previously unavailable items are ready to be picked, the automatic reassign job  assigns them (from dummy store) to CW/dispatchstore and exports a picking order.

Splitting order between dummy store and dispatching stores is only possible when Delete of order lines is not allowed.

Store that can deliver the whole order should be prioritized (we rely on dispatch suggestion and what is provided there).