Onirism Halloween update bugfixes

Onirism Halloween update bugfixes:

- Fixed the door in the hydrostation not openning
- Fixed being able to skip the hydrostation puzzle
- Fixed lightning issue in the hydrostation
- Fixed a floating door at the end of the glacier
- Fixed Bosses in the Halloween event health not scaling
- Fixed Coop Carols in the Halloween event having the wrong hair color
- Added new loading screens for the Carnival of shadows
- Fixed multiple bosses appearing in the halloween event
- Increased prices of things in the halloween event
- Fixed vehicles not spawning in the halloween event minigame
- Fixed teleporting to the Chroma falls from the Greenhouse making the player fall through the floor