This plugin slows down Homebridge / socket closed messages
```
[homebridge-harmony] This plugin slows down Homebridge. The read handler for the characteristic 'Active' was slow to respond! See https://git.io/JtMGR for more info.
[02/01/2022, 01:24:04] [homebridge-harmony] This plugin slows down Homebridge. The read handler for the characteristic 'Active' didn't respond at all!. Please check that you properly call the callback! See https://git.io/JtMGR for more info.
[02/01/2022, 01:24:05] [Harmony] (Harmony)ERROR (2)- refreshCurrentActivity TimeoutError: Can't open WebSocket within allowed timeout: 10000 ms. - Stack : TimeoutError: Can't open WebSocket within allowed timeout: 10000 ms.
    at PromiseController._handleTimeout (/usr/local/lib/node_modules/homebridge-harmony/node_modules/promise-controller/src/index.js:172:19)
    at Timeout.<anonymous> (/usr/local/lib/node_modules/homebridge-harmony/node_modules/promise-controller/src/index.js:178:43)
    at listOnTimeout (node:internal/timers:557:17)
    at processTimers (node:internal/timers:500:7)
```