IndexedDB에 즐겨찾기 여부를 항상 저장하도록 변경

src/lib/server/db/migrations/1768643000-AddFavorites.ts

@@ -1,4 +1,4 @@
-import { Kysely, sql } from "kysely";
+import { Kysely } from "kysely";
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 export const up = async (db: Kysely<any>) => {