Support PO Request from WorkOrder

To support the ability to create PO Requests from WorkOrder was added store and actions on newly added items:

1. Store:
   • was added to WorkOrder;
   • by default taken from SO ord Production Request;
2. If a new item was added to WorkOrder:
   • To item was added the ability to:
     1. view item Availability in the selected store;
     2. make “Use in Stock”;
     3. make “create PO request”;
   • If the line item has been allocated:
     1. it is disabled and isn’t possible to edit or delete it;
3. WorkOrder buttons:
   • Save button:
     1. Logic doesn’t change;
     2. After clicking on the button:
        1. the WorkOrder stays in the current status;
        2. the newly added items aren’t allocated from stock or aren’t created PO requests;
   • Save & Process button:
     1. Was added for the not started WorkOrders;
     2. After clicking on the button, the WorkOrder is processed and newly added items are allocated from stock or created PO requests (according to the selected allocation type);
   • Complete button:
     1. Logic is extended;
     2. After clicking on the button, the newly added items are marked as shipped;
   • Delete button:
     1. If some items have been allocated from stock on WorkOrder -> Delete button is hidden;
4. PO Requests list form:
   • Source:
     1. WorkOrder #:
        • is displayed if PO was created from WorkOrder;
   • Type:
     1. WorkOrder PO:
        • is displayed if PO was created from WorkOrder.