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/ads/sensor.py

@@ -50,7 +50,7 @@ class AdsSensor(AdsEntity, SensorEntity):
     def __init__(self, ads_hub, ads_var, ads_type, name, unit_of_measurement, factor):
         """Initialize AdsSensor entity."""
         super().__init__(ads_hub, name, ads_var)
-        self._attr_unit_of_measurement = unit_of_measurement
+        self._attr_native_unit_of_measurement = unit_of_measurement
         self._ads_type = ads_type
         self._factor = factor
 
@@ -64,6 +64,6 @@ class AdsSensor(AdsEntity, SensorEntity):
         )
 
     @property
-    def state(self) -> StateType:
+    def native_value(self) -> StateType:
         """Return the state of the device."""
         return self._state_dict[STATE_KEY_STATE]