refactor(stock): make expired reservations terminal

app/Domains/Purchase/Services/Checkout/StartCheckoutService.php

@@ -314,17 +314,10 @@ class StartCheckoutService
             Purchase::STATUS_CREATED,
             Purchase::STATUS_PENDING_PAYMENT,
         ], true)) {
+            $this->reservations->returnToCart($currentPurchase, $cart);
             $currentPurchase->update([
                 'status' => Purchase::STATUS_SUPERSEDED,
             ]);
-            $this->reservations->releaseForPurchase(
-                $currentPurchase,
-                reason: StockReservationService::REASON_PURCHASE_SUPERSEDED,
-            );
-            $cart->update([
-                'current_purchase_id' => null,
-                'current_stock_reservation_id' => null,
-            ]);
         }
 
         return $cart;