fix(antenna): src=list && userListId=null の場合クエリータイムアウトが発生する問題を修正 (MisskeyIO#721) (#14568)

(cherry picked from commit 47b6b97c9c6d9583dd1b11acbf8f94059e81ebaf)

Co-authored-by: まっちゃとーにゅ <17376330+u1-liquid@users.noreply.github.com>

packages/backend/src/core/AntennaService.ts

@@ -123,11 +123,14 @@ export class AntennaService implements OnApplicationShutdown {
 		if (antenna.src === 'home') {
 			// TODO
 		} else if (antenna.src === 'list') {
-			const listUsers = (await this.userListMembershipsRepository.findBy({
-				userListId: antenna.userListId!,
-			})).map(x => x.userId);
-
-			if (!listUsers.includes(note.userId)) return false;
+			if (antenna.userListId == null) return false;
+			const exists = await this.userListMembershipsRepository.exists({
+				where: {
+					userListId: antenna.userListId,
+					userId: note.userId,
+				},
+			});
+			if (!exists) return false;
 		} else if (antenna.src === 'users') {
 			const accts = antenna.users.map(x => {
 				const { username, host } = Acct.parse(x);