Homekit Cameras only work over wifi
Hello, using Camera UI I can see that everything works well when connected to WIFI but when wifi is off I can't get my camera feed to work on homekit 

```
{
    "name": "Door Camera",
    "manufacturer": "XXX",
    "model": "XX",
    "serialNumber": "XXXX",
    "motion": true,
    "motionTimeout": 15,
    "unbridge": true,
    "hsv": true,
    "prebuffering": true,
    "prebufferLength": 4,
    "videoConfig": {
        "source": "-i rtsp://xxxx:xxx@192.168.0.97:554",
        "subSource": "-i rtsp://xxx:xxxx@192.168.0.97:554",
        "stillImageSource": "-i rtsp://xxx:xxx@192.168.0.97:554",
        "rtspTransport": "tcp",
        "maxStreams": 2,
        "vcodec": "copy",
        "acodec": "libfdk_aac",
        "audio": true,
        "debug": true
    },
    "smtp": {
        "email": "Camera Terrazzo"
    },
    "videoanalysis": {
        "active": false
    },
    "mqtt": {}
}
```
Node.js Version | v16.10.0
homebridge-camera-ui v5.0.27


