SPIGOT-4987: Shulkerbox does not save empty slots

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

paper-server/nms-patches/LootTable.patch

@@ -1,14 +0,0 @@
---- a/net/minecraft/server/LootTable.java
-+++ b/net/minecraft/server/LootTable.java
-@@ -40,6 +40,11 @@
- 
-     public static Consumer<ItemStack> a(Consumer<ItemStack> consumer) {
-         return (itemstack) -> {
-+            // CraftBukkit start - SPIGOT-4940: no empty loot
-+            if (itemstack.isEmpty()) {
-+                return;
-+            }
-+            // CraftBukkit end
-             if (itemstack.getCount() < itemstack.getMaxStackSize()) {
-                 consumer.accept(itemstack);
-             } else {