Route to config_page, not to deprecated notion_config_page, on notion…

… callback API

src/khoj/routers/notion.py

@@ -77,7 +77,7 @@ async def notion_auth_callback(request: Request, background_tasks: BackgroundTas
         f"Notion integration. Owner: {owner}, Workspace ID: {workspace_id}, Workspace Name: {workspace_name}, Bot ID: {bot_id}"
     )
 
-    notion_redirect = str(request.app.url_path_for("notion_config_page"))
+    notion_redirect = str(request.app.url_path_for("config_page"))
 
     # Trigger an async job to configure_content. Let it run without blocking the response.
     background_tasks.add_task(run_in_executor, configure_content, {}, False, SearchType.Notion, user)