Walking Canes

Minor improvements:

-Adjusted the firstperson viewmodels of the canes to be more consistant and less intrusive

-Each cane now has a tooltip telling their abilities when you mouse over them in an inventory

Major changes:

-Shulker Cane now also lets you hover in the air much longer while flying with the elytra

-Cane of the Sea now requires two prismarine shards and two iron ingots instead of four iron ingots