fix: restore admin sidebar routing

frontend/src/admin/AdminLayout.tsx

@@ -1,5 +1,5 @@
 import { Suspense, useEffect, useState } from 'react'
-import { Outlet, useNavigate, useLocation , useOutlet } from 'react-router-dom'
+import { Outlet, useNavigate, useLocation } from 'react-router-dom'
 import { Layout, Menu, Button, Typography } from 'antd'
 import {
   DashboardOutlined, VideoCameraOutlined, PlusOutlined, MonitorOutlined,
@@ -36,11 +36,9 @@ export default function AdminLayout() {
   const navigate = useNavigate()
   const location = useLocation()
   function navigateWithTransition(path: string) {
-    const startViewTransition = (document as unknown as { startViewTransition?: (callback: () => void) => void }).startViewTransition
-    if (startViewTransition) startViewTransition(() => navigate(path))
-    else navigate(path)
+    if (path !== location.pathname) navigate(path)
   }
-  const outlet = useOutlet()
+
 
   const selectedKey = menuItems.find(
     item => location.pathname === item.key || (location.pathname === '/' && item.key === '/admin')
@@ -85,7 +83,7 @@ export default function AdminLayout() {
         </Header>
         <Content style={{ padding: 40, overflow: 'auto' }}>
           <div className="admin-page-transition" key={location.pathname}>
-            {outlet}
+            <Outlet />
           </div>
         </Content>
       </Layout>