enhance: 編集されたノートかどうか分かるように

packages/backend/src/core/entities/NoteEntityService.ts

@@ -308,6 +308,7 @@ export class NoteEntityService implements OnModuleInit {
 		const packed: Packed<'Note'> = await awaitAll({
 			id: note.id,
 			createdAt: note.createdAt.toISOString(),
+			updatedAt: note.updatedAt ? note.updatedAt.toISOString() : undefined,
 			userId: note.userId,
 			user: this.userEntityService.pack(note.user ?? note.userId, me, {
 				detail: false,