AAP-41842: Fix pagination (ansible#735)

Provides ordering by pk in the base DAB view such that all queries are returned
in order of pk (if no other ordering is specified). This ensures that paginated
returns are complete and no records are duplicated.

Author: bhavenst

ansible_base/activitystream/views.py

@@ -37,9 +37,10 @@ class EntryReadOnlyViewSet(ReadOnlyModelViewSet, AnsibleBaseDjangoAppApiView):
     API endpoint that allows for read-only access to activity stream entries.
     """
 
-    queryset = Entry.objects.order_by('-id')
+    queryset = Entry.objects.all()
     serializer_class = EntrySerializer
     filter_backends = calculate_filter_backends()
+    ordering = ['-id']
 
     def get_permissions(self):
         """

ansible_base/lib/utils/views/ansible_base.py

@@ -11,6 +11,8 @@
 
 class AnsibleBaseView(APIView):
 
+    ordering = ['pk']
+
     # pulp openapi generator compatibility
     endpoint_name = ''