Don't unpack loot table for TEs not in world (#9918)

Fixed by 23w44a/1.20.3

patches/server/1047-Don-t-unpack-loot-table-for-TEs-not-in-world.patch

@@ -0,0 +1,20 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <jake.m.potrebic@gmail.com>
+Date: Tue, 7 Nov 2023 18:59:04 -0800
+Subject: [PATCH] Don't unpack loot table for TEs not in world
+
+Fixed by 23w44a/1.20.3. Remove it then
+
+diff --git a/src/main/java/net/minecraft/world/level/block/entity/RandomizableContainerBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/RandomizableContainerBlockEntity.java
+index 081691f9710ff1115e4308f79ed49fbc38941193..3e638f12956e57548f76c7e2403ba370f7baa249 100644
+--- a/src/main/java/net/minecraft/world/level/block/entity/RandomizableContainerBlockEntity.java
++++ b/src/main/java/net/minecraft/world/level/block/entity/RandomizableContainerBlockEntity.java
+@@ -70,7 +70,7 @@ public abstract class RandomizableContainerBlockEntity extends BaseContainerBloc
+     }
+ 
+     public void unpackLootTable(@Nullable Player player) {
+-        if (this.lootableData.shouldReplenish(player) && this.level.getServer() != null) { // Paper
++        if (this.level != null && this.lootableData.shouldReplenish(player) && this.level.getServer() != null) { // Paper - don't unpack loot table if not in world
+             LootTable lootTable = this.level.getServer().getLootData().getLootTable(this.lootTable);
+             if (player instanceof ServerPlayer) {
+                 CriteriaTriggers.GENERATE_LOOT.trigger((ServerPlayer)player, this.lootTable);