Error loading thermostat that's off
```
[3/31/2023, 8:45:39 PM] [homebridge-google-nest-sdm] Restoring existing accessory from cache: Camera Doorbell

/usr/local/lib/node_modules/homebridge-google-nest-sdm/src/sdm/Thermostat.ts:124
                throw new Error('Cannot get a target temperature when the thermostat is off.');
                      ^
Error: Cannot get a target temperature when the thermostat is off.
    at Thermostat.getTargetTemperature (/usr/local/lib/node_modules/homebridge-google-nest-sdm/src/sdm/Thermostat.ts:124:23)
    at runMicrotasks (<anonymous>)
    at processTicksAndRejections (node:internal/process/task_queues:96:5)
```

Doesn't seem like it should be an error to turn my thermostat off?