Revert "Polish user management and filters"

This reverts commit df8e6d3d88.

backend/routes/usersRoutes.js

@@ -13,7 +13,7 @@ const {
 const { recordActivity } = require('../services/activityService');
 
 const USER_PUBLIC_FIELDS = 'id, tenant_id, team_id, name, email, slug, role, status, bio, avatar_url, created_at';
-const MIN_PASSWORD_LENGTH = 6;
+const MIN_PASSWORD_LENGTH = 8;
 
 const createUsersRouter = ({ pool, upload, transporter, getBaseUrl }) => {
   const router = express.Router();