fix: 发货审核异常未回滚导致的脏数据，添加判空操作

gongchunyi

昨天 2aa97d1237b7f720b33f9952f9901ddf7ae9833a

 src/main/java/com/ruoyi/sales/service/impl/SalesLedgerProductServiceImpl.java

@@ -245,7 +245,6 @@
                        ProductWorkOrder productWorkOrder = new ProductWorkOrder();
                        productWorkOrder.setProductProcessRouteItemId(productProcessRouteItem.getId());
                        productWorkOrder.setProductOrderId(productOrder.getId());
                        productWorkOrder.setQuantity(salesLedgerProduct.getQuantity());
                        productWorkOrder.setPlanQuantity(salesLedgerProduct.getQuantity());
                        productWorkOrder.setWorkOrderNo(workOrderNoStr);
                        productWorkOrder.setStatus(1);