apiv2: fix schema for engagements endpoint (#13336)

Author: valentijnscholten

dojo/api_v2/views.py

@@ -398,7 +398,8 @@ def get_queryset(self):
 # @extend_schema_view(**schema_with_prefetch())
 # Nested models with prefetch make the response schema too long for Swagger UI
 class EngagementViewSet(
-    PrefetchDojoModelViewSet,
+    # PrefetchDojoModelViewSet,
+    DojoModelViewSet,
     ra_api.AcceptedRisksMixin,
 ):
     serializer_class = serializers.EngagementSerializer