Prevent duplicate pickup event for piglins (#11322)

patches/server/EntityPickupItemEvent-fixes.patch

@@ -46,6 +46,15 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
              piglin.take(drop, 1);
              itemstack = PiglinAi.removeOneItemFromItemEntity(drop);
          } else {
+@@ -0,0 +0,0 @@ public class PiglinAi {
+         } else if (PiglinAi.isFood(itemstack) && !PiglinAi.hasEatenRecently(piglin)) {
+             PiglinAi.eat(piglin);
+         } else {
+-            boolean flag = !piglin.equipItemIfPossible(itemstack, drop).equals(ItemStack.EMPTY); // CraftBukkit
++            boolean flag = !piglin.equipItemIfPossible(itemstack, null).equals(ItemStack.EMPTY); // CraftBukkit // Paper - pass null item entity to prevent duplicate pickup item event call - called above.
+ 
+             if (!flag) {
+                 PiglinAi.putInInventory(piglin, itemstack);
 diff --git a/src/main/java/net/minecraft/world/entity/raid/Raider.java b/src/main/java/net/minecraft/world/entity/raid/Raider.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/net/minecraft/world/entity/raid/Raider.java