fix(aurora): fixed unknown user in history command

aurora/utilities/utils.py

@@ -152,16 +152,24 @@ async def fetch_user_dict(client: commands.Bot, user_id: str) -> dict:
         user_dict = {"id": "?", "name": "Unknown User", "discriminator": "0"}
 
     else:
-        user = client.get_user(int(user_id))
+        try:
+            user = client.get_user(int(user_id))
+            if user is None:
+                user = await client.fetch_user(int(user_id))
 
-        if user:
             user_dict = {
                 "id": user.id,
                 "name": user.name,
                 "discriminator": user.discriminator,
             }
-        else:
-            user_dict = {"id": user_id, "name": "Unknown User", "discriminator": "0"}
+
+        except NotFound:
+            user_dict = {
+                "id": user_id,
+                "name": "Deleted User",
+                "discriminator": "0",
+            }
+
 
     return user_dict