Display "Fulfilled" items

- Once a salesorder has been marked as "shipped" then the table is displayed differently
- The sub rows show stock items which have been fulfilled against the sales order

InvenTree/stock/models.py

@@ -541,6 +541,10 @@ class StockItem(MPTTModel):
         if self.build_order is not None:
             return False
 
+        # Not 'in stock' if the status code makes it unavailable
+        if self.status in StockStatus.UNAVAILABLE_CODES:
+            return False
+
         return True
 
     @property