Move temperature conversions to sensor base class (1/8) (#48261)

* Move temperature conversions to entity base class (1/8)

* Update integrations a-c

* Leave old temperature conversion until all integrations are migrated

* tweak

* Use contextlib.suppress

* Remove the MeasurableUnitEntity mixin

* Address comments, add tests

* Fix f-string

* Drop deprecation warning from base entity class

* Update with _attr-shorthand

* Fix rebase mistakes

* Fix additional rebase mistakes

* Only report temperature conversion once

* Fix additional rebase mistakes

* Format homeassistant/components/bbox/sensor.py

* Fix check for overidden _attr_state

* Remove test workarounds from implementation

* Remove useless None-check

* Tweaks

* Migrate new sensors a-c

* Update climacell

* Push deprecation of temperature conversion forward

* Override __repr__ in SensorEntity

* Include native_value in SensorEntity attributes

* Pylint

* Black

* Black

* Fix rebase mistakes

* black

* Fix rebase mistakes

* Revert changes in august/sensor.py

* Revert handling of unit converted restored state

* Apply code review suggestion

* Fix arlo test

homeassistant/components/blink/sensor.py

@@ -44,7 +44,7 @@ class BlinkSensor(SensorEntity):
         self._attr_device_class = device_class
         self.data = data
         self._camera = data.cameras[camera]
-        self._attr_unit_of_measurement = units
+        self._attr_native_unit_of_measurement = units
         self._attr_unique_id = f"{self._camera.serial}-{sensor_type}"
         self._sensor_key = (
             "temperature_calibrated" if sensor_type == "temperature" else sensor_type
@@ -54,9 +54,9 @@ class BlinkSensor(SensorEntity):
         """Retrieve sensor data from the camera."""
         self.data.refresh()
         try:
-            self._attr_state = self._camera.attributes[self._sensor_key]
+            self._attr_native_value = self._camera.attributes[self._sensor_key]
         except KeyError:
-            self._attr_state = None
+            self._attr_native_value = None
             _LOGGER.error(
                 "%s not a valid camera attribute. Did the API change?", self._sensor_key
             )