feat: respect server avatars with user.avatar_url

Author: LordOfPolls

interactions/models/discord/user.py

@@ -86,7 +86,7 @@ def display_avatar(self) -> "Asset":
     @property
     def avatar_url(self) -> str:
         """The users avatar url."""
-        return self.avatar.url
+        return self.display_avatar.url
 
     async def fetch_dm(self) -> "DM":
         """Fetch the DM channel associated with this user."""