[UI] Order form improvements (#10802)

* Auto-fill supplier parts in order wizard

* Copy supplier part SKU from order parts wizard

* Add "on_order" filter to BuildLine table

* Allow ordering by production and ordering quantities

* Allow specification of purchase price

* Bump API version

* Adjust UI testings

src/backend/InvenTree/InvenTree/api_version.py

@@ -1,12 +1,16 @@
 """InvenTree API version information."""
 
 # InvenTree API version
-INVENTREE_API_VERSION = 424
+INVENTREE_API_VERSION = 425
 """Increment this API version number whenever there is a significant change to the API that any clients need to know about."""
 
 INVENTREE_API_TEXT = """
 
-v424 -> 2025-11-05 : https://github.com/inventree/InvenTree/pull/10730
+v425 -> 2025-11-11 : https://github.com/inventree/InvenTree/pull/10802
+    - Adds "on_order" filter to the BuildLine API endpoint
+    - Allow BuildLine list to be ordered by "on_order" and "in_production" fields
+
+v424 -> 2025-11-11 : https://github.com/inventree/InvenTree/pull/10730
     - Adds more lower / upper bounds to integer fields in the API schema due to bump to Django 5.2- no functional changes
 
 v423 -> 2025-11-05 : https://github.com/inventree/InvenTree/pull/10772

src/backend/InvenTree/build/api.py

@@ -520,6 +520,15 @@ class BuildLineFilter(FilterSet):
             return queryset.filter(flt)
         return queryset.exclude(flt)
 
+    on_order = rest_filters.BooleanFilter(label=_('On Order'), method='filter_on_order')
+
+    def filter_on_order(self, queryset, name, value):
+        """Filter by whether there is stock on order for each BuildLine."""
+        if str2bool(value):
+            return queryset.filter(on_order__gt=0)
+        else:
+            return queryset.filter(on_order=0)
+
 
 class BuildLineMixin(SerializerContextMixin):
     """Mixin class for BuildLine API endpoints."""
@@ -606,6 +615,8 @@ class BuildLineList(
         'trackable',
         'allow_variants',
         'inherited',
+        'on_order',
+        'scheduled_to_build',
     ]
 
     ordering_field_aliases = {