fix(测试跟踪): 导出缺陷弹窗字段勾选处理问题

--bug=1032393 --user=宋昌昌 【测试跟踪】缺陷管理-导出缺陷-勾选导出基础字段-导出后没有缺陷标题 https://www.tapd.cn/55049933/s/1435640

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

@@ -55,6 +55,7 @@ import io.metersphere.service.remote.project.TrackIssueTemplateService;
 import io.metersphere.service.wapper.TrackProjectService;
 import io.metersphere.service.wapper.UserService;
 import io.metersphere.utils.DistinctKeyUtil;
+import io.metersphere.xpack.track.dto.AttachmentRequest;
 import io.metersphere.xpack.track.dto.PlatformStatusDTO;
 import io.metersphere.xpack.track.dto.PlatformUser;
 import io.metersphere.xpack.track.dto.*;

test-track/frontend/src/business/issue/components/export/IssueExportFieldSelectItem.vue

@@ -16,6 +16,7 @@
 <script>
 
 import IssueExportFieldList from "@/business/issue/components/export/IssueExportFieldList";
+
 export default {
   name: "IssueExportFieldSelectItem",
   components: {IssueExportFieldList},
@@ -81,9 +82,12 @@ export default {
 
       let isSelectAll = true;
       for (let field of this.fields) {
-        if (enableKeys) {
-          if (enableKeys.indexOf(field.key) > -1) {
-            field.enable = true;
+        if (field.id === 'id' || field.id === 'title') {
+          // 缺陷的ID, 标题默认必须勾选
+          field.enable = true;
+        } else {
+          if (enableKeys) {
+            field.enable = enableKeys.indexOf(field.key) > -1;
           } else {
             field.enable = false;
           }