Update to Minecraft 1.21

By: md_5 <git@md-5.net>

paper-server/nms-patches/net/minecraft/world/inventory/ContainerFurnace.patch

@@ -9,7 +9,7 @@
 +import org.bukkit.craftbukkit.inventory.CraftInventoryView;
 +// CraftBukkit end
 +
- public abstract class ContainerFurnace extends ContainerRecipeBook<IInventory> {
+ public abstract class ContainerFurnace extends ContainerRecipeBook<SingleRecipeInput, RecipeCooking> {
  
      public static final int INGREDIENT_SLOT = 0;
 @@ -31,6 +36,22 @@
@@ -51,12 +51,3 @@
          return this.container.stillValid(entityhuman);
      }
  
-@@ -159,7 +182,7 @@
-     }
- 
-     protected boolean canSmelt(ItemStack itemstack) {
--        return this.level.getRecipeManager().getRecipeFor(this.recipeType, new InventorySubcontainer(new ItemStack[]{itemstack}), this.level).isPresent();
-+        return this.level.getRecipeManager().getRecipeFor((Recipes<RecipeCooking>) this.recipeType, new InventorySubcontainer(new ItemStack[]{itemstack}), this.level).isPresent(); // Eclipse fail
-     }
- 
-     protected boolean isFuel(ItemStack itemstack) {