Make online results an optional argument to the gpt converse method

src/khoj/processor/conversation/openai/gpt.py

@@ -123,8 +123,8 @@ def send_message_to_model(
 
 def converse(
     references,
-    online_results,
     user_query,
+    online_results=[],
     conversation_log={},
     model: str = "gpt-3.5-turbo",
     api_key: Optional[str] = None,

src/khoj/routers/helpers.py

@@ -251,9 +251,9 @@ def generate_chat_response(
             chat_model = conversation_config.chat_model
             chat_response = converse(
                 compiled_references,
-                online_results,
                 q,
-                meta_log,
+                online_results=online_results,
+                conversation_log=meta_log,
                 model=chat_model,
                 api_key=api_key,
                 completion_func=partial_completion,