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/api_form.dart

@@ -586,6 +586,8 @@ class APIFormField {
         return InvenTreeSupplierPart().defaultListFilters();
       case InvenTreeStockItem.MODEL_TYPE:
         return InvenTreeStockItem().defaultListFilters();
+      case InvenTreeSalesOrder.MODEL_TYPE:
+        return InvenTreeSalesOrder().defaultListFilters();
       default:
         break;
     }
@@ -727,7 +729,7 @@ class APIFormField {
         return ListTile(
           title: Text(shipment.reference),
           subtitle: Text(shipment.tracking_number),
-          trailing: shipment.shipped ? Text(shipment.shipment_date!) : null,
+          trailing: shipment.isShipped ? Text(shipment.shipment_date!) : null,
         );
       case "owner":
         String name = (data["name"] ?? "") as String;
@@ -754,6 +756,15 @@ class APIFormField {
           subtitle: Text(project_code.description),
           leading: Icon(TablerIcons.list),
         );
+      case InvenTreeSalesOrder.MODEL_TYPE:
+        var so = InvenTreeSalesOrder.fromJson(data);
+        return ListTile(
+          title: Text(so.reference),
+          subtitle: Text(so.description),
+          leading: InvenTreeAPI().getThumbnail(
+            so.customer?.thumbnail ?? so.customer?.image ?? "",
+          ),
+        );
       default:
         return ListTile(
           title: Text(