Refactor request (#7814)

* status code

* Test ap-request.ts

4397fc5e70/test/ap-request.ts

* tune

src/remote/activitypub/models/note.ts

@@ -26,6 +26,7 @@ import { createMessage } from '@/services/messages/create';
 import { parseAudience } from '../audience';
 import { extractApMentions } from './mention';
 import DbResolver from '../db-resolver';
+import { StatusError } from '@/misc/fetch';
 
 const logger = apLogger;
 
@@ -177,7 +178,7 @@ export async function createNote(value: string | IObject, resolver?: Resolver, s
 				}
 			} catch (e) {
 				return {
-					status: e.statusCode >= 400 && e.statusCode < 500 ? 'permerror' : 'temperror'
+					status: (e instanceof StatusError && e.isClientError) ? 'permerror' : 'temperror'
 				};
 			}
 		};