fix(接口定义): 修复测试计划引用，项目筛选不生效的缺陷

--bug=1019886 --user=王孝刚 【接口测试】接口用例-查看引用-测试计划引用tab，所属项目筛选不生效
https://www.tapd.cn/55049933/s/1299708

api-test/backend/src/main/java/io/metersphere/service/plan/TestPlanApiCaseService.java

@@ -782,12 +782,11 @@ public class TestPlanApiCaseService {
                 this.add(req);
             }});
         }
-        QueryReferenceRequest planRequest = new QueryReferenceRequest();
         if (StringUtils.equals(request.getScenarioType(), ReportTypeConstants.API.name())) {
-            planRequest.setApiId(request.getId());
+            request.setApiId(request.getId());
         } else {
-            planRequest.setScenarioId(request.getId());
+            request.setScenarioId(request.getId());
         }
-        return extTestPlanApiCaseMapper.selectTestPlanByRelevancy(planRequest);
+        return extTestPlanApiCaseMapper.selectTestPlanByRelevancy(request);
     }
 }