fix(测试计划): 计划功能用例展示状态有误

--bug=1041459 --user=宋昌昌 【测试计划】计划详情-用例详情-未执行用例右侧展示该用例的最后一次执行结果 https://www.tapd.cn/55049933/s/1535217

backend/services/test-plan/src/main/java/io/metersphere/plan/service/TestPlanFunctionalCaseService.java

@@ -708,6 +708,7 @@ public class TestPlanFunctionalCaseService extends TestPlanResourceService {
         }
         TestPlanCaseDetailResponse response = new TestPlanCaseDetailResponse();
         BeanUtils.copyBean(response, functionalCaseDetail);
+        response.setLastExecuteResult(planFunctionalCase.getLastExecResult());
 
         TestPlanCaseExecuteHistoryExample testPlanCaseExecuteHistoryExample = new TestPlanCaseExecuteHistoryExample();
         testPlanCaseExecuteHistoryExample.createCriteria().andCaseIdEqualTo(caseId).andTestPlanCaseIdEqualTo(id).andDeletedEqualTo(false);