[Bug]: Battery is reported as zero.
### What happened?

Battery level on eufy smart lock touch is saying it’s 0% even though it’s not. 

### Device Type

other (UnSupported)

### Plugin Version

beta (Best Effort)

### HomeBridge Version

v1.4.x (Supported)

### NodeJS Version

v16 (Supported)

### Operating System

Raspbian 10+ (Supported)

### Relevant log output

```shell
[12/08/2022, 03:26:40] [homebridge-eufy-security] This plugin generated a warning from the characteristic 'Battery Level': characteristic value expected valid finite number and received "undefined" (undefined). See https://homebridge.io/w/JtMGR for more info.
```
