Make CraftComplexRecipe extend CraftingRecipe (#11114)

patches/api/0481-Move-CraftComplexRecipe-to-extend-CraftingRecipe.patch

@@ -0,0 +1,27 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Bjarne Koll <lynxplay101@gmail.com>
+Date: Fri, 19 Jul 2024 19:09:21 +0200
+Subject: [PATCH] Move CraftComplexRecipe to extend CraftingRecipe
+
+A craft complex recipe wraps a CustomRecipe, which itself is a
+CraftingRecipe.
+As such, this complex recipe should also be a crafting recipe.
+
+diff --git a/src/main/java/org/bukkit/inventory/CraftingRecipe.java b/src/main/java/org/bukkit/inventory/CraftingRecipe.java
+index 37024b4736dd3897490ca51d08cf07901b01d59f..afa3de9ab78d01c448d450d8afbc7b1e7e62754c 100644
+--- a/src/main/java/org/bukkit/inventory/CraftingRecipe.java
++++ b/src/main/java/org/bukkit/inventory/CraftingRecipe.java
+@@ -11,8 +11,11 @@ import org.jetbrains.annotations.NotNull;
+  * Represents a shaped or shapeless crafting recipe.
+  */
+ public abstract class CraftingRecipe implements Recipe, Keyed {
+-    private final NamespacedKey key;
+-    private final ItemStack output;
++    // Paper - make CraftComplexRecipe extend CraftingRecipe - start
++    protected NamespacedKey key;
++    protected ItemStack output;
++    protected CraftingRecipe() {}
++    // Paper - make CraftComplexRecipe extend CraftingRecipe - end
+     private String group = "";
+     private CraftingBookCategory category = CraftingBookCategory.MISC;
+