Fixed 'use client' usage.

src/app/(main)/settings/users/UserAddButton.tsx

@@ -1,4 +1,3 @@
-'use client';
 import { Button, Icon, Text, Modal, Icons, ModalTrigger, useToasts } from 'react-basics';
 import UserAddForm from './UserAddForm';
 import { useMessages } from 'components/hooks';