Fix missing service_type when admin places order for customer

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

website/app/Http/Controllers/Admin/CustomerController.php

@@ -326,6 +326,7 @@ class CustomerController extends Controller
                 'user_id' => $user->id,
                 'plan_id' => $plan->id,
                 'order_id' => $order->id,
+                'service_type' => $plan->service_type,
                 'status' => 'active',
                 'credentials' => [],
             ]);