change role to "user" for new registrations, fixed some registration form errors and implemented a reg-test

app/Http/Controllers/PayPalWebhookController.php

@@ -2,6 +2,8 @@
 
 namespace App\Http\Controllers;
 
+use App\Models\User;
+
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Log;
 use PayPal\PayPalHttp\Client;
@@ -76,6 +78,11 @@ class PayPalWebhookController extends Controller
                 ]
             );
 
+            $user = User::find($metadata['user_id'] ?? null);
+            if ($user) {
+                $user->update(['role' => 'tenant_admin']);
+            }
+
             // Log purchase
             PackagePurchase::create([
                 'tenant_id' => $tenant->id,