[UI] Sales order button (#9938)

* Refactor stock actions into a hook

* Cleanup hooks

* Allow transfer of "incomplete" outputs

* Simplify even further

* Enable transfer of stock allocated to build order

* Remove StockItemBriefSerializer entirely

* stock actions for items allocated to sales order

* Refactor <PartDetail> page

* Refactor <StockDetail>

* Refactor <LocationDetail>

* Bump API version

* SO button text

- Observe the "SALESORDER_SHIP_COMPLETE" value

* Fix palywright tests

src/frontend/src/forms/PurchaseOrderForms.tsx

@@ -436,7 +436,10 @@ function LineItemFormRow({
     }
 
     // Selected location is base part's default location
-    if (location === record.part_detail.default_location) {
+    if (
+      record.part_detail?.default_location &&
+      location === record.part_detail.default_location
+    ) {
       return t`Default location selected`;
     }