fix(approve): 修复审批流程为空时的异常处理

liyong

2026-04-30 c2ad2126d6f8423e0a5e6e20bbb91ef6bb1cffc0

 src/main/java/com/ruoyi/sales/service/InvoiceLedgerService.java

@@ -104,4 +104,11 @@
     * @return
     */
    InvoiceRegistrationProductDto invoiceLedgerProductDetail(Integer id);

    /**
     * 开票台账删除
     * @param invoiceRegistrationProductId
     * @return
     */
    void delInvoiceLedger(Integer invoiceRegistrationProductId);
}