refactor(测试跟踪): 测试计划功能用例关联缺陷，添加排序字段

--bug=1026935 --user=陈建星 【测试跟踪】测试计划-功能用例-关联缺陷页面缺陷列表排序无规则，也不能排序，只能通过标题搜索 https://www.tapd.cn/55049933/s/1385690

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

@@ -1290,6 +1290,7 @@ public class IssuesService {
     }
 
     public List<IssuesDao> relateList(IssuesRequest request) {
+        request.setOrders(ServiceUtils.getDefaultOrderByField(request.getOrders(), "create_time"));
         List<IssuesDao> issues = extIssuesMapper.getIssues(request);
         Map<String, User> userMap = getUserMap(issues);
         issues.forEach(issue -> {

test-track/frontend/src/business/case/components/IssueRelateList.vue

@@ -26,12 +26,14 @@
       </ms-table-column>
       <ms-table-column
         :label="$t('test_track.issue.id')"
+        sortable
         prop="num">
       </ms-table-column>
 
       <ms-table-column
         :label="$t('test_track.issue.title')"
         prop="title"
+        sortable
         min-width="200px">
       </ms-table-column>