use iam module login page for backoffice

apps/backoffice/src/app/layouts/AuthLayout.tsx

@@ -1,12 +1,5 @@
-import { Center, Box } from '@mantine/core';
 import { Outlet } from 'react-router-dom';
 
 export function AuthLayout() {
-  return (
-    <Center h="100vh" bg="gray.0">
-      <Box w={420}>
-        <Outlet />
-      </Box>
-    </Center>
-  );
+  return <Outlet />;
 }

apps/backoffice/src/app/layouts/components/AppHeader.tsx

@@ -1,14 +1,14 @@
 import { Group, Text, ActionIcon, Burger } from '@mantine/core';
 import { IconLogout } from '@tabler/icons-react';
 import { useNavigate } from 'react-router-dom';
-import { useAuth } from '../../features/auth/hooks/useAuth';
+import { useAuthUser } from '@tria-plc/iamui-common';
 
 interface AppHeaderProps {
   onToggle: () => void;
 }
 
 export function AppHeader({ onToggle }: AppHeaderProps) {
-  const { logout } = useAuth();
+  const { logout } = useAuthUser();
   const navigate = useNavigate();
 
   const handleLogout = () => {