fix: query orders using admin client in admin routes to bypass RLS and show all orders to admin

shop/app/admin/page.tsx

@@ -1,4 +1,5 @@
 import { createClient } from '@/lib/supabase/server'
+import { createAdminClient } from '@/lib/supabase/admin'
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
 import { Package, ShoppingCart, Users, TrendingUp } from 'lucide-react'
 import { AdminRecentOrders } from '@/components/admin/recent-orders'
@@ -6,14 +7,15 @@ import { AdminRecentOrders } from '@/components/admin/recent-orders'
 // ─── KPI-Daten aus DB ────────────────────────────────────────────────────────
 async function getKpis() {
   const supabase = await createClient()
+  const adminDb = createAdminClient()
 
   const [
     { data: orders },
     { count: userCount },
     { count: productCount },
   ] = await Promise.all([
-    supabase.from('orders').select('total_price, status'),
-    supabase.from('profiles').select('*', { count: 'exact', head: true }),
+    adminDb.from('orders').select('total_price, status'),
+    adminDb.from('profiles').select('*', { count: 'exact', head: true }),
     supabase.from('products').select('*', { count: 'exact', head: true }),
   ])