Fix #6637 (#6638)

* Fix #6637

* fix lint

src/server/api/endpoints/admin/show-user.ts

@@ -35,5 +35,8 @@ export default define(meta, async (ps, me) => {
 		throw new Error('cannot show info of admin');
 	}
 
-	return user;
+	return {
+		...user,
+		token: user.token != null ? '<MASKED>' : user.token,
+	};
 });