style(用例管理): 调整导入检验详情鼠标样式

--bug=1035536 --user=郭雨琦 https://www.tapd.cn/55049933/bugtrace/bugs/view/1155049933001035536

frontend/src/views/case-management/caseManagementFeature/components/export/validateResult.vue

@@ -198,6 +198,9 @@
   :deep(.ms-list-item--focus) {
     background: none !important;
   }
+  :deep(.ms-list-item) {
+    cursor: default !important;
+  }
   .errorMessages {
     font-size: 14px;
     line-height: 21px;