Use ItemStack#getMaxStackSize instead of the hardcoded 64 limit

Author: Biquaternions

paper-server/patches/features/0031-Improve-exact-choice-recipe-ingredients.patch

@@ -263,7 +263,7 @@ index 889b8e6c3762203deccf657b505f6f29cc893526..6710653d033a48c4b3fc267496f93a25
                  if (itemCount > max) {
                      if (ingredient.acceptsItem(entry.getKey())) {
 diff --git a/net/minecraft/world/entity/player/StackedItemContents.java b/net/minecraft/world/entity/player/StackedItemContents.java
-index ffaa8e450a11a01060b6847d1b66a76323f9d8ba..69486ced89d7eeae260d54583930c273d6d21a50 100644
+index ffaa8e450a11a01060b6847d1b66a76323f9d8ba..1ace17d8fc7e7b8b4722a1889d49233c0ec55e20 100644
 --- a/net/minecraft/world/entity/player/StackedItemContents.java
 +++ b/net/minecraft/world/entity/player/StackedItemContents.java
 @@ -9,9 +9,27 @@ import net.minecraft.world.item.crafting.Recipe;
@@ -291,7 +291,7 @@ index ffaa8e450a11a01060b6847d1b66a76323f9d8ba..69486ced89d7eeae260d54583930c273
 +    // Paper end - Improve exact choice recipe ingredients
 
      public void accountSimpleStack(final ItemStack itemStack) {
-+        if (this.extrasMap != null && this.extrasMap.accountStack(itemStack, Math.min(64, itemStack.getCount()))) return; // Paper - Improve exact choice recipe ingredients; max of 64 due to accountStack method below
++        if (this.extrasMap != null && this.extrasMap.accountStack(itemStack, Math.min(itemStack.getMaxStackSize(), itemStack.getCount()))) return; // Paper - Improve exact choice recipe ingredients; Referenced from the accountStack method below
          if (Inventory.isUsableForCrafting(itemStack)) {
              this.accountStack(itemStack);
          }