Add missing Box imports (#3485)

Author: r4victor

frontend/src/pages/User/Details/index.tsx

@@ -2,7 +2,7 @@ import React, { useEffect, useState } from 'react';
 import { useTranslation } from 'react-i18next';
 import { Outlet, useNavigate, useParams } from 'react-router-dom';
 
-import { ConfirmationDialog, ContentLayout, SpaceBetween, Tabs } from 'components';
+import { Box, ConfirmationDialog, ContentLayout, SpaceBetween, Tabs } from 'components';
 import { DetailsHeader } from 'components';
 
 import { useNotifications /* usePermissionGuard*/ } from 'hooks';

frontend/src/pages/User/List/index.tsx

@@ -4,6 +4,7 @@ import { useNavigate } from 'react-router-dom';
 import { format } from 'date-fns';
 
 import {
+    Box,
     Button,
     ConfirmationDialog,
     Header,