Small update to home load handling

src/pyatmo/home.py

@@ -179,6 +179,8 @@ async def update(
             self.rooms[room["id"]].update(room)
 
         for person_status in data.get("persons", []):
+            # if there is a person update, it means the house has been updated
+            has_an_update = True
             if person := self.persons.get(person_status["id"]):
                 person.update(person_status)