Fixes
Cleaned up the frames for the "apply the formula" exercises
Polished the arrow pointing players to the next dialogue in the diagnostic explanation
Translation of "Bilan"
Adjusted hover animation on the "Quit" button
Adjusted the text box size for exercise statements in the "Training" section
Fixed errors caused by going back and forth between the menu and chapters
Fixed display bug when a correction had only one page
Fixed slot shrinking when picking up an item
Fixed color highlight bug on slots in the "Training" section
Fixed disappearing items thrown into the trash when replaying the exercise
Fixed ignored item on the conveyor belt
Fixed pink display of the "Validate" button after completing the final evaluation
Fixed transparent dotted lines issue