feat(inventory): add refunded_units to inventory model and update related services

app/Domains/Purchase/Services/TenantTransactionResetService.php

@@ -65,9 +65,10 @@ class TenantTransactionResetService
             DB::table('inventories')
                 ->whereIn('id', $scope['inventory_ids'])
                 ->update([
-                    'real_stock' => DB::raw('real_stock + sold_units'),
+                    'real_stock' => DB::raw('real_stock + sold_units - refunded_units'),
                     'reserved_stock' => 0,
                     'sold_units' => 0,
+                    'refunded_units' => 0,
                 ]);
 
             return $summary;