Lobby Slot Bug

### Describe the issue

**Issue:**

A user joins and when he leaves a lobby, it triggers a bug that corrupts lobby slots and makes the lobby behave abnormally.

**Impact:**

- Disrupts ongoing hosted lobbies
- Forces lobby hosts to restart or recreate lobbies

Two logs about it were provided so far:

[game_25548136.log](https://github.com/user-attachments/files/22198480/game_25548136.log)
[game_25562554.log](https://github.com/user-attachments/files/22198464/game_25562554.log)

**Additional info from users:**

- he joins, dc and the slot he was in is broken, no one can join the slot and the host cant close or set to ai
- he joins lobbies and immediately leaves, the slot he joined is bugged and cant be interact with