Only skip if unsupported

Author: elupus

zha/application/platforms/switch.py

@@ -140,9 +140,6 @@ def _is_supported(self) -> bool:
         if (
             self._attribute_name
             in self._on_off_cluster_handler.cluster.unsupported_attributes
-            or self._attribute_name
-            not in self._on_off_cluster_handler.cluster.attributes_by_name
-            or self._on_off_cluster_handler.cluster.get(self._attribute_name) is None
         ):
             _LOGGER.debug(
                 "%s is not supported - skipping %s entity creation",