httpd: Only return cache header for activity endpoint on 200 responses — heartwood

Also fix test_profile test adding the worker config

                       "outbound": 16
                     }
                   },
                   "workers": 8,
                   "policy": "block",
                   "scope": "all"
                 }

 use axum::extract::{DefaultBodyLimit, State};
 use axum::handler::Handler;
 use axum::http::{header, HeaderValue};
 use axum::response::IntoResponse;
 use axum::response::{IntoResponse, Response};
 use axum::routing::{get, patch, post};
 use axum::{Json, Router};
 use axum_auth::AuthBearer;

             get(
                 activity_handler.layer(SetResponseHeaderLayer::if_not_present(
                     header::CACHE_CONTROL,
                     HeaderValue::from_static(CACHE_1_HOUR),
                     |response: &Response| {
                         response
                             .status()
                             .is_success()
                             .then_some(HeaderValue::from_static(CACHE_1_HOUR))
                     },
                 )),
             ),
         )