[Bug]: Hoobs: unable to stream with doorbell
### What happened?

Got the doorbell in Homekit, but can't livestream.

### Device Type

Doorbell (Supported)

### Plugin Version

v2.0.x (Supported)

### HomeBridge Version

v1.4.x (Supported)

### NodeJS Version

v12 (Supported)

### Operating System

Mac OS X 11+ (Supported)

### Relevant log output

```shell
[Eufy Security Bridge 2881@Selected RTP Stream Configuration] The write handler for the characteristic 'Selected RTP Stream Configuration' on the accessory 'Doorbell' didn't respond at all!. Please check that you properly call the callback!
```


### config

```shell
"platform": "EufySecurity",
    "username": "xxxxxx",
    "password": "xxxxx,
    "pollingIntervalMinutes": 30,
    "hkHome": 1,
    "hkAway": 0,
    "hkNight": 3,
    "hkOff": 63,
    "enableDetailedLogging": 0,
    "country": "BE",
    "CameraMaxLivestreamDuration": 30,
    "enableCamera": true
}
```
