fix: include_domain does NOT exist

backend/open_webui/routers/retrieval.py

@@ -1270,6 +1270,7 @@ def search_web(request: Request, engine: str, query: str) -> list[SearchResult]:
                 request.app.state.config.TAVILY_API_KEY,
                 query,
                 request.app.state.config.RAG_WEB_SEARCH_RESULT_COUNT,
+                request.app.state.config.RAG_WEB_SEARCH_DOMAIN_FILTER_LIST,
             )
         else:
             raise Exception("No TAVILY_API_KEY found in environment variables")