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/Mail/Admin/DomainOrderNewNotification.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Mail\Admin;
+
+use App\Models\Template;
+use Illuminate\Bus\Queueable;
+use Illuminate\Mail\Mailable;
+use Illuminate\Mail\Mailables\Content;
+use Illuminate\Mail\Mailables\Envelope;
+use Illuminate\Queue\SerializesModels;
+
+class DomainOrderNewNotification extends Mailable
+{
+    use Queueable, SerializesModels;
+
+    public function __construct(
+        protected Template $template,
+        protected array $data,
+    ) {}
+
+    public function envelope(): Envelope
+    {
+        return new Envelope(
+            subject: str_replace('{\$domain_name}', $this->data['domain_name'] ?? '', $this->template->subject),
+        );
+    }
+
+    public function content(): Content
+    {
+        $message = str_replace(
+            ['{\$company_name}', '{\$company_logo}', '{\$domain_name}', '{\$customer_name}', '{\$customer_email}', '{\$order_num}', '{\$order_total}', '{\$created_at}', '{\$admin_url}'],
+            [$this->data['company_name'] ?? '', $this->data['company_logo'] ?? '', $this->data['domain_name'] ?? '', $this->data['customer_name'] ?? '', $this->data['customer_email'] ?? '', $this->data['order_num'] ?? '', $this->data['order_total'] ?? '', $this->data['created_at'] ?? '', $this->data['admin_url'] ?? ''],
+            $this->template->message
+        );
+
+        return new Content(view: 'emails.template', with: ['template' => $message]);
+    }
+
+    public function attachments(): array
+    {
+        return [];
+    }
+}