Use compat UOM in _is_valid_suggested_unit (home-assistant#152350)

Co-authored-by: Erik Montnemery <[email protected]>

Author: epenet

homeassistant/components/number/__init__.py

@@ -371,7 +371,11 @@ def native_unit_of_measurement(self) -> str | None:
     @final
     @property
     def __native_unit_of_measurement_compat(self) -> str | None:
-        """Process ambiguous units."""
+        """Handle wrong character coding in unit provided by integrations.
+
+        NumberEntity should read the number's native unit through this property instead
+        of through native_unit_of_measurement.
+        """
         native_unit_of_measurement = self.native_unit_of_measurement
         return AMBIGUOUS_UNITS.get(
             native_unit_of_measurement, native_unit_of_measurement

homeassistant/components/sensor/__init__.py

@@ -366,7 +366,7 @@ def _is_valid_suggested_unit(self, suggested_unit_of_measurement: str) -> bool:
         because a unit converter supports both.
         """
         # No need to check the unit converter if the units are the same
-        if self.native_unit_of_measurement == suggested_unit_of_measurement:
+        if self.__native_unit_of_measurement_compat == suggested_unit_of_measurement:
             return True
 
         # Make sure there is a unit converter and it supports both units
@@ -478,7 +478,11 @@ def native_unit_of_measurement(self) -> str | None:
     @final
     @property
     def __native_unit_of_measurement_compat(self) -> str | None:
-        """Process ambiguous units."""
+        """Handle wrong character coding in unit provided by integrations.
+
+        SensorEntity should read the sensor's native unit through this property instead
+        of through native_unit_of_measurement.
+        """
         native_unit_of_measurement = self.native_unit_of_measurement
         return AMBIGUOUS_UNITS.get(
             native_unit_of_measurement,