refactor(admin): simplify AdminHeader component by removing inline logic

src/features/admin/pages/UsersPage.client.js

@@ -5,6 +5,7 @@ import { useRouter } from 'next/navigation';
 import { Card, Table, Badge, StatusBadge, Button, UserAvatar } from '@zen/core/shared/components';
 import { PencilEdit01Icon } from '@zen/core/shared/icons';
 import { useToast } from '@zen/core/toast';
+import AdminHeader from '../components/AdminHeader.js';
 
 const UsersPageClient = () => {
     const router = useRouter();
@@ -211,14 +212,7 @@ const UsersPageClient = () => {
 const UsersPage = () => {
     return (
         <div className="flex flex-col gap-4 sm:gap-6 lg:gap-8">
-            <div className="flex items-center justify-between">
-                <div>
-                    <h1 className="text-lg sm:text-xl font-semibold text-neutral-900 dark:text-white">Utilisateurs</h1>
-                    <p className="mt-1 text-[13px] text-neutral-500 dark:text-neutral-400">
-                        Gérez les comptes utilisateurs
-                    </p>
-                </div>
-            </div>
+            <AdminHeader title="Utilisateurs" description="Gérez les comptes utilisateurs" />
             <UsersPageClient />
         </div>
     );