refactor(ticket): use refunds as amount source

app/Domains/Purchase/Services/PurchaseRefundSummaryService.php

@@ -2,20 +2,20 @@
 
 namespace App\Domains\Purchase\Services;
 
-use App\Domains\Purchase\Models\PurchaseItem;
 use App\Domains\Tenant\Models\Tenant;
+use App\Domains\Ticket\Models\TicketRefund;
 use Illuminate\Database\Eloquent\Builder;
 
 class PurchaseRefundSummaryService
 {
     public function totalForTenant(Tenant $tenant): string
     {
-        $total = PurchaseItem::query()
+        $total = TicketRefund::query()
             ->whereHas(
-                'purchase',
+                'purchaseItem.purchase',
                 fn (Builder $query): Builder => $query->where('tenant_codigo', $tenant->codigo)
             )
-            ->sum('refunded_amount');
+            ->sum('amount');
 
         return number_format((float) $total, 2, '.', '');
     }