SP7000+ system power values not correct
Looks like the SP7000+ is working with the integration but the system power is not correct.  

Babyware showing:
<img width="193" alt="Screenshot 2023-05-14 at 09 43 15" src="https://github.com/ParadoxAlarmInterface/pai/assets/25028046/c4dc763f-8160-4217-8402-2546e059c77b">

PAI Home Assistant showing:
<img width="330" alt="image" src="https://github.com/ParadoxAlarmInterface/pai/assets/25028046/e48f2825-ae68-4696-a300-550103c6a514">

## Alarm system
- SP7000+, v1.24
- IP150+, v5.06.014, no SWAN

## Environment
- Home Assistant OS with PAI Hass.io Add-on


