SPIGOT-4161: Missing BlockDispenseEvent for Waterlogged

By: md_5 <git@md-5.net>

paper-server/nms-patches/ItemBucket.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/server/ItemBucket.java
 +++ b/net/minecraft/server/ItemBucket.java
-@@ -1,6 +1,13 @@
+@@ -1,10 +1,17 @@
  package net.minecraft.server;
  
  import javax.annotation.Nullable;
@@ -14,6 +14,11 @@
  
  public class ItemBucket extends Item {
  
+-    private final FluidType a;
++    public final FluidType a; // PAIL: private->public
+ 
+     public ItemBucket(FluidType fluidtype, Item.Info item_info) {
+         super(item_info);
 @@ -28,12 +35,20 @@
                  if (this.a == FluidTypes.a) {
                      iblockdata = world.getType(blockposition);