fix: 修复复制测试计划无消息通知的问题

--bug=1009012 --user=刘瑞斌 【消息中心】复制测试计划后无创建的消息通知 https://www.tapd.cn/55049933/s/1083617

backend/src/main/java/io/metersphere/track/controller/TestPlanController.java

@@ -188,6 +188,7 @@ public class TestPlanController {
     }
 
     @PostMapping("/copy/{id}")
+    @SendNotice(taskType = NoticeConstants.TaskType.TEST_PLAN_TASK, event = NoticeConstants.Event.CREATE, mailTemplate = "track/TestPlanStart", subject = "测试计划通知")
     public TestPlan copy(@PathVariable String id) {
         return testPlanService.copy(id);
     }