Undershadows Demo Update [8.7] file

A small update that fixes some bugs and crashes

Fixes Bug & Crashes:

- Fixes a bug after visit the cave of souls
- Fixes a bug in shadow transformation Lv.5 and Lv.10
- Fixes a sound problem after completing the grasslands

Add New:

- The shadoole bar will now display text so you can see what to click on to interact with it
- The tutorial in school has been improved to make it clearer how/what can be triggered
- The garbage room with the machine has been reworked. If you get stuck, you will receive tips
- And some other improvements

Have a nice day/evening!