Prevent NPE when removing enchantment with no ItemMeta (#6459)

patches/server/0062-Handle-Item-Meta-Inconsistencies.patch

@@ -79,7 +79,7 @@ index ddf0889b20b42c17edc2678d809bddf3dacf4c8f..7f44e9e382aa87ad9be94394d05bbcac
  
      public boolean isEnchanted() {
 diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
-index b89292f10e254616bfe3da4700eb12a9fd41f25d..379612cb78d275fa61125390c7429fcb2920ab33 100644
+index b89292f10e254616bfe3da4700eb12a9fd41f25d..45d61dbe785155501d9fa23e33b1954c5ad1c0e4 100644
 --- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
 +++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
 @@ -6,7 +6,6 @@ import java.util.Map;
@@ -124,7 +124,7 @@ index b89292f10e254616bfe3da4700eb12a9fd41f25d..379612cb78d275fa61125390c7429fcb
      }
  
      static boolean makeTag(net.minecraft.world.item.ItemStack item) {
-@@ -215,66 +197,33 @@ public final class CraftItemStack extends ItemStack {
+@@ -215,66 +197,34 @@ public final class CraftItemStack extends ItemStack {
  
      @Override
      public boolean containsEnchantment(Enchantment ench) {
@@ -183,6 +183,7 @@ index b89292f10e254616bfe3da4700eb12a9fd41f25d..379612cb78d275fa61125390c7429fcb
 -            }
 +        // Paper start - replace entire method
 +        final ItemMeta itemMeta = this.getItemMeta();
++        if (itemMeta == null) return 0;
 +        int level = itemMeta.getEnchantLevel(ench);
 +        if (level > 0) {
 +            itemMeta.removeEnchant(ench);

patches/server/0236-Don-t-call-getItemMeta-on-hasItemMeta.patch

@@ -11,10 +11,10 @@ Returns true if getDamage() == 0 or has damage tag or other tag is set.
 Check the `ItemMetaTest#testTaggedButNotMeta` method to see how this method behaves.
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
-index efdcccac85626835ff29ed00976978d5bb900356..b3acc23d54c593b599517a481ad6ac86e5661fa2 100644
+index 3cf23bc0a28ac5f4ac7b51f427f17365eaff8cc1..f02bbc2e927ea2d8e861597da4dbe4d199e48799 100644
 --- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
 +++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
-@@ -574,7 +574,7 @@ public final class CraftItemStack extends ItemStack {
+@@ -575,7 +575,7 @@ public final class CraftItemStack extends ItemStack {
  
      @Override
      public boolean hasItemMeta() {