Xiaomi QBKG41LM No Power Monitoring

[PRich13]

https://zigbee.blakadder.com/Aqara_QBKG41LM.html

Page reports that the QBKG41LM has power monitoring but having just added the device it doesn't appear to.

https://www.zigbee2mqtt.io/devices/QBKG41LM.html also doesn't list power monitoring as an available function.