Adirelle:
	- Prevents an error in UpdateBorder for some item buttons.
	- Do not highlight changes on empty slots.
	- Do not highlight invisible changes (i.e. bag/slot change only).
	- Bring back the configurable, thick quality borders.
	This reverts commit 77c3816ea1ec3dbc35e3e9f62f268f687b9c397d.
