after_routes routes don't appear in routes list

[yonas]

I added axum-prometheus to the demo chat app. /metrics works, but running ./chat-app routes does not show /metrics.

Also, during first boot, /metrics isn't listed in loco_rs::controller::app_routes: log section:

2025-05-12T22:28:16.552796Z  INFO app: loco_rs::db: auto migrating environment=development
2025-05-12T22:28:16.553945Z  INFO app: sea_orm_migration::migrator: Applying all pending migrations environment=development
2025-05-12T22:28:16.558113Z  INFO app: sea_orm_migration::migrator: No pending migrations environment=development
2025-05-12T22:28:16.558179Z  INFO app: loco_rs::boot: initializers loaded initializers="axum-prometheus,view-engine,axum-session" environment=development
2025-05-12T22:28:16.562872Z  INFO app: loco_rs::controller::app_routes: [GET] /_ping environment=development
2025-05-12T22:28:16.562932Z  INFO app: loco_rs::controller::app_routes: [GET] /_health environment=development
2025-05-12T22:28:16.562961Z  INFO app: loco_rs::controller::app_routes: [POST] /api/auth/register environment=development
2025-05-12T22:28:16.562986Z  INFO app: loco_rs::controller::app_routes: [POST] /api/auth/verify environment=development
2025-05-12T22:28:16.563015Z  INFO app: loco_rs::controller::app_routes: [POST] /api/auth/login environment=development
2025-05-12T22:28:16.563037Z  INFO app: loco_rs::controller::app_routes: [POST] /api/auth/forgot environment=development
2025-05-12T22:28:16.563059Z  INFO app: loco_rs::controller::app_routes: [POST] /api/auth/reset environment=development
2025-05-12T22:28:16.563081Z  INFO app: loco_rs::controller::app_routes: [GET] /api/auth/current environment=development
2025-05-12T22:28:16.563203Z  INFO app: loco_rs::controller::app_routes: +middleware name="limit_payload" environment=development
2025-05-12T22:28:16.563237Z  INFO app: loco_rs::controller::app_routes: +middleware name="catch_panic" environment=development
2025-05-12T22:28:16.563268Z  INFO app: loco_rs::controller::app_routes: +middleware name="etag" environment=development
2025-05-12T22:28:16.563343Z  INFO app: loco_rs::controller::app_routes: +middleware name="static" environment=development
2025-05-12T22:28:16.563393Z  INFO app: loco_rs::controller::app_routes: +middleware name="logger" environment=development
2025-05-12T22:28:16.563426Z  INFO app: loco_rs::controller::app_routes: +middleware name="request_id" environment=development
2025-05-12T22:28:16.563457Z  INFO app: loco_rs::controller::app_routes: +middleware name="fallback" environment=development
2025-05-12T22:28:16.563534Z  INFO app: loco_rs::controller::app_routes: +middleware name="powered_by" environment=development
2025-05-12T22:28:16.570628Z  INFO app: chat_rooms::initializers::view_engine: locales loaded environment=development