Merge pull request 'Fixed DeleteUserJoinedServer' (#431) from staging into master

Reviewed-on: #431

bot/src/bot_data/model/user_joined_server.py

@@ -124,6 +124,6 @@ class UserJoinedServer(TableABC):
         return str(
             f"""
             DELETE FROM `UserJoinedServers`
-            WHERE `Id` = {self._join_id};
+            WHERE `JoinId` = {self._join_id};
         """
         )