gateway: only remove self if it is in ready.users

litecord/gateway/websocket.py

@@ -86,6 +86,7 @@ def _complete_users_list(user_id: str, base_ready, user_ready) -> dict:
         for recipient in private_channel["recipients"]:
             users_to_send[recipient["id"]] = recipient
 
+    if user_id in users_to_send:
         users_to_send.pop(user_id)
 
     ready = {**base_ready, **user_ready}