Build 25230839

1. Fixed an issue where cooking was unavailable when there was water in the pot.
2. Fixed an issue where stamina would not recover while driving.
3. Enabled opening and closing the RV rear door.
4. Adjusted the curtain installation method to use snapping. For existing save files, curtains need to be picked up and reinstalled once.
5. Improved the color of the building placement preview.
6. Reworked the tutorial system presentation and added the Post-Apocalyptic Survival System.
7. Fixed an issue where camp NPCs would occasionally fail to fight back against zombies.