UniFi G4 Doorbell Pro PoE Error message
### Homebridge UniFi Protect Version

v7.11.0

### Homebridge Platform and OS

Debian GNU/Linux Bookworm (12) running on Raspberry Pi 5

### Homebridge Version

v1.9.0

### Node Version

v22.14.0

### UniFi OS Version

4.1.13

### UniFi Protect Controller Version

5.2.62

### Describe the problem

When I enable the doorbell messages feature on the child bridge settings (Homebridge UniFi Protect) for my "UniFi G4 Doorbell Pro PoE", the following error message pops up in the log every 20 seconds and the feature is not available in HomeKit as well.

[09/03/2025, 14:32:20] [homebridge-unifi-protect] This plugin threw an error from the characteristic 'On': Unhandled error thrown inside read handler for characteristic: Cannot read properties of undefined (reading 'LEAVE_PACKAGE_AT_DOOR.LEAVE PACKAGE AT DOOR'). See https://homebridge.io/w/JtMGR for more info.

[09/03/2025, 14:32:20] [homebridge-unifi-protect] This plugin threw an error from the characteristic 'On': Unhandled error thrown inside read handler for characteristic: Cannot read properties of undefined (reading 'DO_NOT_DISTURB.DO NOT DISTURB'). See https://homebridge.io/w/JtMGR for more info.

[09/03/2025, 14:32:20] [homebridge-unifi-protect] This plugin threw an error from the characteristic 'On': Unhandled error thrown inside read handler for characteristic: Cannot read properties of undefined (reading 'CUSTOM_MESSAGE.Paket bitte vor Haustür legen'). See https://homebridge.io/w/JtMGR for more info.


### Homebridge HBUP JSON configuration

```json
{
    "bridge": {
        "name": "Homebridge",
        "username": (deleted)
        "port": 51021,
        "pin": (deleted)
        "advertiser": "avahi"
    },
    "accessories": [],
    "platforms": [
        {
            "name": "Config",
            "port": 8581,
            "platform": "config",
            "theme": "purple"
        },
        {
            "controllers": [
                {
                    "address": "10.0.0.1",
                    "password": (deleted)
                    "username": (deleted)
                }
            ],
            "name": "UniFi Protect",
            "options": [
                "Enable.Doorbell.AuthSensor",
                "Disable.Device.F4E2C60DA9E5",
                "Disable.Device.D8B37010606D",
                "Enable.Video.Transcode.Bitrate.F4E2C60D5DBB.6000",
                "Disable.Doorbell.PackageCamera.Flashlight.F4E2C60D5DBB",
                "Enable.Video.Stream.Only.High.F4E2C60D5DBB"
            ],
            "_bridge": {
                "name": "UniFi Protect",
                "username": (deleted)
                "port": 42194
            },
            "platform": "UniFi Protect"
        }
    ]
}
```

### Relevant log output

```shell
[09/03/2025, 18:26:15] [UniFi Protect] Haustür [G4 Doorbell Pro PoE]: Enabling Protect authentication contact sensor.
[09/03/2025, 18:26:15] [UniFi Protect] Haustür [G4 Doorbell Pro PoE]: Enabled doorbell message switch: LEAVE PACKAGE AT DOOR.
[09/03/2025, 18:26:15] [UniFi Protect] Haustür [G4 Doorbell Pro PoE]: Enabled doorbell message switch: DO NOT DISTURB.
[09/03/2025, 18:26:15] [UniFi Protect] Haustür [G4 Doorbell Pro PoE]: Enabled doorbell message switch: Paket bitte vor Haustür legen.
[09/03/2025, 18:26:15] [UniFi Protect] Haustür [G4 Doorbell Pro PoE]: Video streaming configured to use only: High.
[09/03/2025, 18:26:16] [homebridge-unifi-protect] This plugin threw an error from the characteristic 'On': Unhandled error thrown inside read handler for characteristic: Cannot read properties of undefined (reading 'LEAVE_PACKAGE_AT_DOOR.LEAVE PACKAGE AT DOOR'). See https://homebridge.io/w/JtMGR for more info.
[09/03/2025, 18:26:16] [homebridge-unifi-protect] This plugin threw an error from the characteristic 'On': Unhandled error thrown inside read handler for characteristic: Cannot read properties of undefined (reading 'DO_NOT_DISTURB.DO NOT DISTURB'). See https://homebridge.io/w/JtMGR for more info.
[09/03/2025, 18:26:16] [homebridge-unifi-protect] This plugin threw an error from the characteristic 'On': Unhandled error thrown inside read handler for characteristic: Cannot read properties of undefined (reading 'CUSTOM_MESSAGE.Paket bitte vor Haustür legen'). See https://homebridge.io/w/JtMGR for more info.
```

### Acknowledgment that you are only running UniFi OS and UniFi Protect releases from the Ubiquiti Official release channel

- [x] I acknowledge that I am not running any early access / beta firmwares or operating systems from either Ubiquiti or Apple.