Reduce homekit executor calls at start (#49925)

- We do not need to load/persist since we do it in setup

homeassistant/components/homekit/__init__.py

@@ -675,7 +675,8 @@ class HomeKit:
                 self.add_bridge_accessory(state)
             acc = self.bridge
 
-        await self.hass.async_add_executor_job(self.driver.add_accessory, acc)
+        # No need to load/persist as we do it in setup
+        self.driver.accessory = acc
 
     async def async_stop(self, *args):
         """Stop the accessory driver."""