fix(测试计划): 执行功能用例时实际结果与步骤执行结果无关联权限无法编辑

--bug=1019577 --user=李玉号 【测试计划】github
#19645-执行功能用例-用户角色需要有关联/取消关联用例执行才能编辑步骤描述-实际结果与步骤执行结果
https://www.tapd.cn/55049933/s/1295004

Closes #19645

test-track/frontend/src/business/plan/view/comonents/functional/FunctionalTestCaseEdit.vue

@@ -447,7 +447,6 @@ export default {
       this.activeTab = 'detail';
       this.hasTapdId = false;
       this.hasZentaoId = false;
-      this.isReadOnly = !hasPermission('PROJECT_TRACK_PLAN:READ+RELEVANCE_OR_CANCEL');
       this.originalStatus = testCase.status;
       this.setTitleWith();