issue with Enable.Doorbell.Trigger
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**Describe The Problem:**
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i've enabled "Enable.Doorbell.Trigger" to trigger a chime rappresented by a homekit switch.
when i try the automation it works and chime rang, and was thinking was all ok.
when i press the doorbell button no action is triggered, m'I wrong someware?

**To Reproduce:**
<!-- Steps to reproduce the behavior. -->
enabling "Enable.Doorbell.Trigger" option and test linked automation

**Logs:**
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```
[27/11/2021, 14:48:39] [UniFi Protect] Domus [UDM-PRO] Campanello [UVC G4 Doorbell]: Doorbell ring event triggered.

and nothing more
```

**Homebridge Configuration:**

```json
{
    "controllers": [
        {
            "address": "x.x.x.x",
            "password": "xxx",
            "username": "xx.xx@xx.com"
        }
    ],
    "options": [
        "Enable.Doorbell.Trigger"
    ],
    "platform": "UniFi Protect"
}
```

**Screenshots:**
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**Environment:**

* **Homebridge Version:** v1.3.8
* **Node Version:** v16.1.0
* **Homebridge-UniFi-Protect Plugin Version:** v4.4.3
* **UniFi Protect Version:** 1.20.0
* **UniFi Protect Controller Type:** UDMPro
* **UniFi Protect Controller Firmware Version:** v1.10.4
* **Apple Device and iOS / macOS / iPadOS / tvOS Version:** iPhone iOS 15
* **Operating System and OS Version:** Raspbian

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