fix: 处理空值计算，确保待来票金额与未来票金额一致

gongchunyi

2026-01-16 79a570ae5f497e30337e7dd002450072e1b21cc2

 src/main/java/com/ruoyi/sales/mapper/InvoiceLedgerMapper.java

@@ -50,4 +50,11 @@
     */
    InvoiceRegistrationProductDto invoiceLedgerProductInfo(Integer id);

    /**
     * 根据销售合同计算已开票金额
     * @param salesLedgerIds
     * @return
     */
    List<InvoiceLedgerDto> invoicedTotal(List<Long> salesLedgerIds);

}