Paper/patches/server/0900-Fix-inventory-desync.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Wed, 23 Aug 2023 13:22:09 -0700
Subject: [PATCH] Fix inventory desync


diff --git a/src/main/java/net/minecraft/world/entity/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
index 7b10bb9cbf6f2b4a70ddaa0ba4bc7409a17f3f09..66814adfb2cf92067702fc2695b083661cf859c0 100644
--- a/src/main/java/net/minecraft/world/entity/Mob.java
+++ b/src/main/java/net/minecraft/world/entity/Mob.java
@@ -1468,6 +1468,7 @@ public abstract class Mob extends LivingEntity implements EquipmentUser, Targeti
             if (CraftEventFactory.callPlayerLeashEntityEvent(this, player, player, hand).isCancelled()) {
                 ((ServerPlayer) player).resendItemInHands(); // SPIGOT-7615: Resend to fix client desync with used item
                 ((ServerPlayer) player).connection.send(new ClientboundSetEntityLinkPacket(this, this.getLeashHolder()));
+                player.containerMenu.sendAllDataToRemote(); // Paper - Fix inventory desync
                 return InteractionResult.PASS;
             }
             // CraftBukkit end
diff --git a/src/main/java/net/minecraft/world/item/BlockItem.java b/src/main/java/net/minecraft/world/item/BlockItem.java
index fc7d978f9e57814a933b9cb725c3af1e7d403795..96fb69ec6db2e7c8c728435f0c537b076259b2fb 100644
--- a/src/main/java/net/minecraft/world/item/BlockItem.java
+++ b/src/main/java/net/minecraft/world/item/BlockItem.java
@@ -114,7 +114,7 @@ public class BlockItem extends Item {
                             if (placeEvent != null && (placeEvent.isCancelled() || !placeEvent.canBuild())) {
                                 blockstate.update(true, false);
 
-                                if (this instanceof SolidBucketItem) {
+                                if (true) { // Paper - if the event is called here, the inventory should be updated
                                     ((ServerPlayer) entityhuman).getBukkitEntity().updateInventory(); // SPIGOT-4541
                                 }
                                 return InteractionResult.FAIL;