fix(测试跟踪): 用例批量关联需求问题

--bug=1022724 --user=宋昌昌 【缺陷管理】github #21633，项目关联devops三方平台，批量关联需求后，tfs平台的需求未全部关联上所选用例 https://www.tapd.cn/55049933/s/1396171

test-track/backend/src/main/java/io/metersphere/service/TestCaseService.java

@@ -3306,7 +3306,7 @@ public class TestCaseService {
         }
 
         for (TestCase tc : testCaseList) {
-
+            tc.setDemandId(demandId);
             if (project != null && StringUtils.equals(project.getPlatform(), IssuesManagePlatform.AzureDevops.name())) {
                 EditTestCaseRequest editTestCaseRequest = new EditTestCaseRequest();
                 BeanUtils.copyBean(editTestCaseRequest, tc);
@@ -3319,8 +3319,6 @@ public class TestCaseService {
                     LogUtil.error(e);
                 }
             }
-
-            tc.setDemandId(demandId);
             tc.setDemandName(demandName);
             mapper.updateByPrimaryKey(tc);
         }