fix some DI mistakes after the merge

packages/backend/src/server/api/stream/channels/bubble-timeline.ts

@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { Injectable } from '@nestjs/common';
+import { Inject, Injectable } from '@nestjs/common';
 import { DI } from '@/di-symbols.js';
 import type { MiMeta } from '@/models/_.js';
 import type { Packed } from '@/misc/json-schema.js';