Added functionality to expand the slot using the 'select' button or 'upgrade' button. Previously, it was bound to the dash button (which is usually the same as the menu confirm button), but binding dash with other different buttons could have resulted in misleading indication.
Additionally, the text now changes to 'Expand Slot' when the inventory selection hovers over the 'Expand Slot' for extra clarity.
Fixed an issue with non-pixel fonts in certain languages causing corruption. The problem was related to data packaging errors that went unnoticed by the game engine.