add originator to otel (#10826)

codex-rs/core/tests/suite/client.rs

@@ -1259,6 +1259,7 @@ async fn azure_responses_request_includes_store_and_reasoning_ids() {
         None,
         Some("test@test.com".to_string()),
         auth_manager.auth_mode().map(TelemetryAuthMode::from),
+        "test_originator".to_string(),
         false,
         "test".to_string(),
         SessionSource::Exec,