Indicate to user that remote was turned off when call was attempted (#40715)

* Indicate to user that remote was turned off when call was attempted

* Catch exception in test

* Switch to warning log

* Apply suggestions from code review

Add suggested change to loggin

homeassistant/components/broadlink/remote.py

@@ -243,6 +243,9 @@ class BroadlinkRemote(RemoteEntity, RestoreEntity):
         delay = kwargs[ATTR_DELAY_SECS]
 
         if not self._state:
+            _LOGGER.warning(
+                "remote.send_command canceled: %s entity is turned off", self.entity_id
+            )
             return
 
         should_delay = False
@@ -285,6 +288,9 @@ class BroadlinkRemote(RemoteEntity, RestoreEntity):
         toggle = kwargs[ATTR_ALTERNATIVE]
 
         if not self._state:
+            _LOGGER.warning(
+                "remote.learn_command canceled: %s entity is turned off", self.entity_id
+            )
             return
 
         should_store = False