SalesOrderShipment (#697)

* Add detail widget for SalesOrderShipment

* Support editing of shipment details

* Rearrange SalesOrderDetail page

* Add support for attachments against shipment model

* refactoring

* Add shipment details page

* Add user actions for shipments:

- Check / uncheck
- Take photo

* Placeholder action to send shipment

* Send shipment from app

* Display pending shipments on the home screen

* Improve rending for shipments list

* Add class definition for SalesOrderAllocation

* Display list of items allocated against SalesOrderShipment

* Bump release notse

* Click through to stock item

* Bump version number

* dart format

* cleanup

* Remove unused imports

lib/inventree/model.dart

@@ -601,7 +601,7 @@ class InvenTreeModel {
 
   // POST data to update the model
   Future<APIResponse> update({
-    Map<String, String> values = const {},
+    Map<String, dynamic> values = const {},
     int? expectedStatusCode = 200,
   }) async {
     var url = path.join(URL, pk.toString());