sensor: set default_attr to ZGT_LAST_SEEN

[cmorlok]

If no default_attr is specified, and if default_attr is set to None by default, the state will always be UNKOWN. Therefore HA's state change detection will never see changed sensor data which is hidden in attributes.

Setting the default to ZGT_LAST_SEEN will raise a state change event independently of which attribute has changed.

[cmorlok]

I am using a config like this:

sensor:
  - platform: zigate
    name: thermometer
    address: 'abcd01'
  - platform: template
    sensors:
      temperature:
        unit_of_measurement: '°C'
        value_template: '{{ states.sensor.thermometer.attributes.temperature | round(1) }}'
      humidity:
        unit_of_measurement: '%'
        value_template: '{{ states.sensor.thermometer.attributes.humidity | round }}'

Since thermometer has no default_attr set, its state is always UNKNOWN. The sensors temperature and humidity will therefore never get any state set, even though thermometer.attributes shows the correct values.

[max5962]

Totaly Agree with that change request ! When batterie information is push to home-assistant, no push to influxDB is triggered

[max5962]

is it possible to update that pull request ? :)

[ISO-B]

I won't have that much time to do anything for this project on summer.