Fixes #15133: Fix FHRP group representation on assignments endpoint under brief mode (#15134)

* Fixes #15133: Fix FHRP group representation on assignments endpoint under brief mode

* Update API test

netbox/ipam/api/nested_serializers.py

@@ -116,10 +116,11 @@ class NestedFHRPGroupSerializer(WritableNestedSerializer):
 
 class NestedFHRPGroupAssignmentSerializer(WritableNestedSerializer):
     url = serializers.HyperlinkedIdentityField(view_name='ipam-api:fhrpgroupassignment-detail')
+    group = NestedFHRPGroupSerializer()
 
     class Meta:
         model = models.FHRPGroupAssignment
-        fields = ['id', 'url', 'display', 'interface_type', 'interface_id', 'group_id', 'priority']
+        fields = ['id', 'url', 'display', 'group', 'interface_type', 'interface_id', 'priority']
 
 
 #

netbox/ipam/tests/test_api.py

@@ -760,7 +760,7 @@ class FHRPGroupTest(APIViewTestCases.APIViewTestCase):
 
 class FHRPGroupAssignmentTest(APIViewTestCases.APIViewTestCase):
     model = FHRPGroupAssignment
-    brief_fields = ['display', 'group_id', 'id', 'interface_id', 'interface_type', 'priority', 'url']
+    brief_fields = ['display', 'group', 'id', 'interface_id', 'interface_type', 'priority', 'url']
     bulk_update_data = {
         'priority': 100,
     }