Paper/patches/unapplied/server/0937-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 d1833dcc92b1570e62a1941bbea6d66ff0b2ee5f..5da7ffee71bf6d82a53b3c2f99e2bd898d0b1799 100644
--- a/src/main/java/net/minecraft/world/entity/Mob.java
+++ b/src/main/java/net/minecraft/world/entity/Mob.java
@@ -1336,6 +1336,7 @@ public abstract class Mob extends LivingEntity implements Targeting {
             // CraftBukkit start - fire PlayerLeashEntityEvent
             if (CraftEventFactory.callPlayerLeashEntityEvent(this, player, player, hand).isCancelled()) {
                 ((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 e258e5915b286f1117bc1413dfd3d2a5c4655380..8d2c0accadaf0c5d28e7db6e62a05f6c619cf02f 100644
--- a/src/main/java/net/minecraft/world/item/BlockItem.java
+++ b/src/main/java/net/minecraft/world/item/BlockItem.java
@@ -116,7 +116,7 @@ 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;