Fix resync-remote-user (#7556)

* Fix resync-remote-user

* tune

src/tools/resync-remote-user.ts

+import { initDb } from '@/db/postgre';
 import parseAcct from '@/misc/acct/parse';
-import { resolveUser } from '../remote/resolve-user';
 
 async function main(acct: string): Promise<any> {
+	await initDb();
+	const { resolveUser } = await import('../remote/resolve-user');
+
 	const { username, host } = parseAcct(acct);
 	await resolveUser(username, host, {}, true);
 }