refactor: refactoring imports

将来ESMに移行しやすいように
Related: #7658

なんかmochaが起動しなくなってるけど理由不明
すぐ直したい

src/misc/fetch-proxy-account.ts

@@ -1,6 +1,6 @@
-import { fetchMeta } from './fetch-meta';
-import { ILocalUser } from '../models/entities/user';
-import { Users } from '../models';
+import { fetchMeta } from './fetch-meta.js';
+import { ILocalUser } from '@/models/entities/user.js';
+import { Users } from '@/models/index.js';
 
 export async function fetchProxyAccount(): Promise<ILocalUser | null> {
 	const meta = await fetchMeta();