TMSS-000: for the demo yield resolved schema so the frontend can handle it.

SAS/TMSS/src/tmss/tmssapp/serializers/widgets.py

@@ -72,4 +72,7 @@ class JSONEditorField(serializers.JSONField):
                 self.style = {'template': 'josdejong_jsoneditor_widget.html',
                               'schema': json.dumps(schema)}
 
+        if self.parent.context['request'].accepted_media_type == 'application/json':
+            return super().to_representation(json_utils.resolved_refs(value))
+
         return super().to_representation(value)