use outcomes__name not outcomes__code

later we must give outcomes a slug/code so that we support translations

fixes https://lawsafrica.sentry.io/issues/5804276287/

peachjam/forms.py

@@ -203,7 +203,7 @@ def filter_queryset(self, queryset, exclude=None, filter_q=False):
             queryset = queryset.filter(attorneys__name__in=attorneys).distinct()
 
         if outcomes and exclude != "outcomes":
-            queryset = queryset.filter(outcomes__code__in=outcomes).distinct()
+            queryset = queryset.filter(outcomes__name__in=outcomes).distinct()
 
         if taxonomies and exclude != "taxonomies":
             queryset = queryset.filter(taxonomies__topic__slug__in=taxonomies)