Small fix for garden furniture! — Calico Steam update #951846

- Fixed some furniture items getting duplicated upon saving and loading. If you've noticed a gradual decrease in performance since the garden furniture update you may have a large number of duplicated furniture items. You can check by trying to move a piece of furniture and see if there were actually multiple in the same spot, and put any duplicates in your inventory. - Fixed not being able to pick up some furniture items after exiting furniture mode. This mostly affected flowers and wall decoration furniture