fix openai responses api instrumentation (#519)

Co-authored-by: Obinna Okafor <[email protected]>

Author: obinnascale3

src/langtrace_python_sdk/instrumentation/openai/patch.py

@@ -114,6 +114,9 @@ def traced_method(
                     return StreamWrapper(response, span)
                 else:
                     _set_openai_agentic_response_attributes(span, response)
+                    
+                span.set_status(StatusCode.OK)
+                span.end()
                 return response
             except Exception as err:
                 span.record_exception(err)