Restore functionality to sand dupe setting

patches/server/1017-Configurable-Sand-Duping.patch

@@ -0,0 +1,19 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
+Date: Sat, 15 Jun 2024 22:01:39 -0400
+Subject: [PATCH] Configurable Sand Duping
+
+
+diff --git a/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
+index caf9273cfafbbaaf8dc95498927383e608773665..b83be9bbb9f348da83c0fd1ecc7f65c8a58b45b9 100644
+--- a/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
++++ b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
+@@ -419,7 +419,7 @@ public class FallingBlockEntity extends Entity {
+         boolean flag = (resourcekey1 == Level.END || resourcekey == Level.END) && resourcekey1 != resourcekey;
+         Entity entity = super.changeDimension(teleportTarget);
+ 
+-        this.forceTickAfterTeleportToDuplicate = entity != null && flag;
++        this.forceTickAfterTeleportToDuplicate = entity != null && flag && io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.allowUnsafeEndPortalTeleportation; // Paper
+         return entity;
+     }
+ }