perf(views): 修复“环境监控”切换二级分组时间轴未刷新问题

src/views/env-monitor/EnvMonitor.vue

@@ -968,6 +968,7 @@ watch(
       getGroupRegionsList();
       timeLineIndex.value = timeList.value.length - 1;
       chooseTime.value = getCurrentTime();
+      generateTimeArray();
     }
   },
 );