VCST-1171: the inventory module releases all inventory into one produ…

…ct (#141)

fix: The fix resolves that the inventory module releases all inventory into one product if customer ordered multiple product from same warehouse.

src/VirtoCommerce.InventoryModule.Data/Services/InventoryReservationService.cs

@@ -190,7 +190,8 @@ protected virtual async Task ProcessReleaseRequest(InventoryReleaseRequest reque
 
             foreach (var itemTransactionsEntity in itemTransactionsEntities)
             {
-                var inventoryEntity = inventoryEntities.FirstOrDefault(x => x.FulfillmentCenterId == itemTransactionsEntity.FulfillmentCenterId);
+                var inventoryEntity = inventoryEntities.FirstOrDefault(x => x.FulfillmentCenterId == itemTransactionsEntity.FulfillmentCenterId &&
+                    x.Sku == itemTransactionsEntity.ProductId);
                 if (inventoryEntity == null)
                 {
                     continue;