fix: 广东中山接口，导入评标材料，序号编码错误

web/building_saas/standard_interface/import/guangdong_zhongshan.js

@@ -159,7 +159,8 @@ INTERFACE_IMPORT = (() => {
 
     function setUpBidEvaluation(b) { 
       return {
-        code: b._Code,
+        seq: b._Code,
+        code: b._Number,
         name: b._Name,
         specs: b.Specification,
         unit: b._Unit,