Add feature tests for domain order management

- Implement AdminDomainOrderTest to cover admin functionalities for domain orders including listing, confirming registration, KYC updates, activation, rejection, and refunds.
- Implement ClientDomainOrderTest to cover client functionalities for placing domain orders, including validation for balance, duplicate orders, and domain normalization.
- Ensure proper handling of domain pricing and service statuses throughout the tests.

app/Http/Requests/Api/Admin/Domain/RejectAndRefundRequest.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Http\Requests\Api\Admin\Domain;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class RejectAndRefundRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'reason' => ['required', 'string', 'max:1000'],
+        ];
+    }
+}