fix: resolve backup migrations in development

apps/nextjs/src/app/api/backup/shared.ts

@@ -1,12 +1,11 @@
 import fs from "fs";
 import path from "path";
 
-export const findMigrationsFolder = () => {
-  const cwd = process.cwd();
+export const findMigrationsFolder = (cwd = process.cwd()) => {
   const migrationsFolderCandidates = [
     path.join(cwd, "db/migrations/sqlite"),
     path.join(cwd, "packages/db/migrations/sqlite"),
-    path.resolve(cwd, "../../db/migrations/sqlite"),
+    path.resolve(cwd, "../../packages/db/migrations/sqlite"),
     "/app/db/migrations/sqlite",
   ];
   return migrationsFolderCandidates.find((candidate) => fs.existsSync(candidate));