* Implement the mouse item description delay
* Implement inventory auto close
* Implement action menu auto close
* Implement the action menu item description
* Show an active cursor when hovering the scroll buttons
* Clicking on a inactive scroll button no longer closes the inventory
* Changing the visibility of the inventory window now closes the action
menu.
* The inventory management hotkeys only work when the game is
interactive.
* Hide the inventory window when loading a save.
* Hide the action menu when loading a save.