fix: 添加二维码功能，可以直接扫码下载。

spring

2026-04-25 4fd0a0ccf35a239fe8c8f9385db2e8c4a0ad2f04

 src/views/procurementManagement/purchaseReturnOrder/New.vue

@@ -70,6 +70,7 @@
              v-model="formState.supplierId"
              placeholder="请选择供应商"
              style="width: 240px"
                     filterable
              @focus="fetchSupplierOptions"
              @change="handleChangeSupplierId"
          >