Add enchantment seed update API

paper-server/patches/sources/net/minecraft/world/inventory/EnchantmentMenu.java.patch

@@ -244,7 +244,7 @@
          ItemStack itemstack = ItemStack.EMPTY;
          Slot slot1 = (Slot) this.slots.get(slot);
  
-@@ -293,4 +385,17 @@
+@@ -293,4 +385,23 @@
  
          return itemstack;
      }
@@ -261,4 +261,10 @@
 +        return this.bukkitEntity;
 +    }
 +    // CraftBukkit end
++
++    // Paper start - add enchantment seed update API
++    public void setEnchantmentSeed(int seed) {
++        this.enchantmentSeed.set(seed);
++    }
++    // Paper end - add enchantment seed update API
  }

paper-server/src/main/java/org/bukkit/craftbukkit/inventory/view/CraftEnchantmentView.java

@@ -26,6 +26,13 @@ public class CraftEnchantmentView extends CraftInventoryView<EnchantmentMenu, En
         return this.container.getEnchantmentSeed();
     }
 
+    // Paper start - add enchantment seed update API
+    @Override
+    public void setEnchantmentSeed(int seed) {
+        this.container.setEnchantmentSeed(seed);
+    }
+    // Paper end - add enchantment seed update API
+
     @NotNull
     @Override
     public EnchantmentOffer[] getOffers() {