fix: try different way to get viewer

dataset_infos.json

@@ -63,8 +63,8 @@
       "post_processed": null,
       "supervised_keys": null,
       "task_templates": null,
-      "builder_name": "squad_v2",
-      "config_name": "gem_data_split",
+      "builder_name": "zillow",
+      "config_name": "sales",
       "version": {
         "version_str": "1.0.0",
         "description": null,