SPIGOT-7239: Getter/setter for player's enchantment seed

By: FreeSoccerHDX <freesoccerhdx@gmail.com>

paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java

@@ -465,6 +465,16 @@ public class CraftHumanEntity extends CraftLivingEntity implements HumanEntity {
         return false;
     }
 
+    @Override
+    public int getEnchantmentSeed() {
+        return getHandle().enchantmentSeed;
+    }
+
+    @Override
+    public void setEnchantmentSeed(int i) {
+        getHandle().enchantmentSeed = i;
+    }
+
     @Override
     public int getExpToLevel() {
         return getHandle().getXpNeededForNextLevel();