enhance: ActivityPub 周りで 429 を受け取った際にリトライするように (MisskeyIO#324)

packages/backend/src/queue/processors/InboxProcessorService.ts

@@ -85,7 +85,7 @@ export class InboxProcessorService {
 			} catch (err) {
 				// 対象が4xxならスキップ
 				if (err instanceof StatusError) {
-					if (err.isClientError) {
+					if (!err.isRetryable) {
 						throw new Bull.UnrecoverableError(`skip: Ignored deleted actors on both ends ${activity.actor} - ${err.statusCode}`);
 					}
 					throw new Error(`Error in actor ${activity.actor} - ${err.statusCode}`);