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/arest/sensor.py

@@ -141,7 +141,7 @@ class ArestSensor(SensorEntity):
         self.arest = arest
         self._attr_name = f"{location.title()} {name.title()}"
         self._variable = variable
-        self._attr_unit_of_measurement = unit_of_measurement
+        self._attr_native_unit_of_measurement = unit_of_measurement
         self._renderer = renderer
 
         if pin is not None:
@@ -155,9 +155,9 @@ class ArestSensor(SensorEntity):
         self._attr_available = self.arest.available
         values = self.arest.data
         if "error" in values:
-            self._attr_state = values["error"]
+            self._attr_native_value = values["error"]
         else:
-            self._attr_state = self._renderer(
+            self._attr_native_value = self._renderer(
                 values.get("value", values.get(self._variable, None))
             )