Fix duplicated BlockPistonRetractEvent call (#7111)

patches/server/0835-Add-API-for-item-entity-health.patch

@@ -0,0 +1,32 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <jake.m.potrebic@gmail.com>
+Date: Sat, 28 Aug 2021 09:00:45 -0700
+Subject: [PATCH] Add API for item entity health
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
+index 342345eb04d00efb58392ccf209e3c51c1064173..8d56f0ab748373e55c0166b92382c126fe8e5381 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
+@@ -85,6 +85,21 @@ public class CraftItem extends CraftEntity implements Item {
+      public void setWillAge(boolean willAge) {
+         item.age = willAge ? 0 : NO_AGE_TIME;
+      }
++
++    @Override
++    public int getHealth() {
++        return item.health;
++    }
++
++    @Override
++    public void setHealth(int health) {
++        if (health <= 0) {
++            item.getItem().onDestroyed(item);
++            item.discard();
++        } else {
++            item.health = health;
++        }
++    }
+     // Paper End
+ 
+     @Override