Anvil dupe bugfix
Anvil dupe should now correctly check the player inventory to ensure they have no empty slots, as well as ensure that the dupe is performed only in the case that the anvil breaks naturally (as opposed to by a player / being moved)
Anvil dupe should now correctly check the player inventory to ensure they have no empty slots, as well as ensure that the dupe is performed only in the case that the anvil breaks naturally (as opposed to by a player / being moved)