Issue with parental lock in homekit

[dominikszewczyk]

Describe The Bug:

The parental lock didn't work in homekit.

To Reproduce:

Open Setting for device (Air Purifier) and toggle parental lock (Locked to unlocked and unlocked to locked).

Expected behavior:

The parameter should be changes without error and button on device should be locked or unlocked for changing settings.

Logs:

[12.01.2022, 11:58:26] [homebridge-xiaomi-mi-air-purifier] This plugin threw an error from the characteristic 'Lock Physical Controls': Unhandled error thrown inside write handler for characteristic: . See https://git.io/JtMGR for more info.
[12.01.2022, 11:58:31] [homebridge-xiaomi-mi-air-purifier] This plugin threw an error from the characteristic 'Lock Physical Controls': Unhandled error thrown inside write handler for characteristic: . See https://git.io/JtMGR for more info.

Plugin Config:

{
            "name": "Oczyszczacz Stary",
            "address": "192.168.0.xxx",
            "token": "xxx",
            "enableAirQuality": true,
            "enableTemperature": true,
            "enableHumidity": true,
            "filterChangeThreshold": 5,
            "enableFanSpeedControl": true,
            "enableChildLockControl": true,
            "accessory": "XiaomiMiAirPurifier"
        },

Environment:

• Plugin Version: 2.0.2
• Homebridge Version: 1.3.8
• Node.js Version: 14.18.0
• NPM Version: 6.14.15
• Device: Xiaomi Air Purifier 1
• Operating System: Raspbian