feat(BE): integrate FIFO service for stock adjustments and transfers

- Added FIFO service integration in the adjustments module to manage stockable and usable items for adjustments.
- Created a new repository for adjustment stocks to handle database operations.
- Enhanced the adjustment service to track stock adjustments using FIFO logic for both increase and decrease operations.
- Updated product warehouse DTOs and repositories to include project flock information.
- Implemented FIFO logic in the transfer module to manage stock transfers between warehouses.
- Added integration tests for FIFO operations in stock transfers, ensuring correct stock consumption and replenishment.

internal/modules/inventory/transfers/dto/transfer.dto.go

@@ -159,7 +159,7 @@ func ToTransferListDTO(e entity.StockTransfer) TransferListDTO {
 				Id:   d.Product.Id,
 				Name: d.Product.Name,
 			},
-			Quantity: d.Quantity,
+			Quantity: d.UsageQty + d.PendingQty, // Total actual quantity allocated
 		})
 	}
 
@@ -229,7 +229,7 @@ func ToTransferDetailDTO(e entity.StockTransfer) TransferDetailDTO {
 				Id:   d.Product.Id,
 				Name: d.Product.Name,
 			},
-			Quantity: d.Quantity,
+			Quantity: d.UsageQty + d.PendingQty, // Total actual quantity allocated
 		})
 	}