feat(ws): 更新WebSocket连接管理器的日志记录

src/CellularManagement.WebSocket/Connection/WebSocketConnectionManager.cs

@@ -49,7 +49,7 @@ public class WebSocketConnectionManager : IDisposable
             10000, 10000);
 
         // 启动心跳检测定时器
-        _heartbeatTimer = new Timer(CheckConnections, null, _heartbeatInterval, _heartbeatInterval);
+        //_heartbeatTimer = new Timer(CheckConnections, null, _heartbeatInterval, _heartbeatInterval);
         _logger.LogInformation("心跳检测定时器已启动，间隔：{Interval}秒", _heartbeatInterval.TotalSeconds);
     }