Switch hassio to use with_path where possible (#125268)

* Switch hassio to use with_path where possible

Any place we are joining to the root url, we can use with_path
as its much faster

* revert

homeassistant/components/hassio/handler.py

@@ -568,7 +568,7 @@ class HassIO:
 
         This method is a coroutine.
         """
-        joined_url = self._base_url.join(URL(command))
+        joined_url = self._base_url.with_path(command)
         # This check is to make sure the normalized URL string
         # is the same as the URL string that was passed in. If
         # they are different, then the passed in command URL