fix(接口测试): 修复批量复制接口没有复制自定义字段的缺陷

--bug=1026631 --user=王孝刚 【接口测试】api列表-批量复制多个api到其它模块下-查看复制的api-自定义字段未显示数据
https://www.tapd.cn/55049933/s/1377820

api-test/backend/src/main/java/io/metersphere/service/definition/ApiDefinitionService.java

@@ -1908,6 +1908,10 @@ public class ApiDefinitionService {
                 // 检查附件复制出附件
                 ApiFileUtil.copyBodyFiles(sourceId, api.getId());
 
+                List<CustomFieldResourceDTO> byResourceId = customFieldApiService.getByResourceId(sourceId);
+                if (CollectionUtils.isNotEmpty(byResourceId)){
+                    customFieldApiService.addFields(api.getId(), byResourceId);
+                }
                 mapper.insert(api);
                 if (i % 50 == 0) sqlSession.flushStatements();
             }