[Bug] TS0601: Duplicate service handler
I'm very happy with this plugin. Very helpful en useful.
Currently I'm using several radiator valves (like Tuya TS0601) with are reporting errors in the Homebridge Log. 

Like:
```
[2/26/2021, 11:28:52 AM] [zigbee2mqtt] Restoring accessory: radiator Lieke (0x847127fffe11dc50)
[2/26/2021, 11:28:52 AM] [zigbee2mqtt] DUPLICATE SERVICE HANDLER with identifier 00000049-0000-1000-8000-0026BB765291 for accessory radiator Lieke. New one will not stored.
[2/26/2021, 11:28:52 AM] [zigbee2mqtt] DUPLICATE SERVICE HANDLER with identifier 00000049-0000-1000-8000-0026BB765291 for accessory radiator Lieke. New one will not stored.
[2/26/2021, 11:28:52 AM] [zigbee2mqtt] DUPLICATE SERVICE HANDLER with identifier 00000049-0000-1000-8000-0026BB765291 for accessory radiator Lieke. New one will not stored.
[2/26/2021, 11:28:52 AM] [zigbee2mqtt] Failed to setup switch for accessory radiator Lieke from expose "{"features":[{"access":3,"description":"Enables/disables physical input on the device","name":"state","property":"child_lock","type":"binary","value_off":"UNLOCK","value_on":"LOCK"}],"type":"lock"}": Error: Required "lock_state" property not found for Lock.
```

Can anyone help how to resolve this 'DUPLICATE SERVICE HANDLER'? 
Where do I need to look?

Thanks!