fix(测试计划): 修复分享测试计划报告接口/场景列表字段排序报错问题

--bug=1050471 --user=王旭 【测试计划】报告-用例明细的用例名称字段排序与接口/场景明细的耗时字段排序均未生效 https://www.tapd.cn/55049933/s/1632164

backend/services/test-plan/src/main/java/io/metersphere/plan/controller/TestPlanReportShareController.java

@@ -230,8 +230,7 @@ public class TestPlanReportShareController {
         request.setDetailReportIds(testPlanReportService.getActualReportIds(request.getReportId()));
         ShareInfo shareInfo = testPlanReportShareService.checkResource(request.getShareId());
         testPlanReportShareService.validateExpired(shareInfo);
-        Page<Object> page = PageHelper.startPage(request.getCurrent(), request.getPageSize(),
-                StringUtils.isNotBlank(request.getSortString()) ? request.getSortString() : "tpc.pos desc");
+        Page<Object> page = PageHelper.startPage(request.getCurrent(), request.getPageSize(), "tpc.pos asc");
         return PageUtils.setPageInfo(page, testPlanReportService.listReportCollection(request, type));
     }
 }