testserver/patches/server/0683-Ensure-disconnect-for-book-edit-is-called-on-main.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Tue, 22 Jun 2021 19:58:53 +0100
Subject: [PATCH] Ensure disconnect for book edit is called on main


diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index a12685a383ffd8431e172e46fcc9b95d0472b9a2..87fd9e456bdef1becbadb0f368ccb39160986e37 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -1100,7 +1100,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
         // Paper end
         // CraftBukkit start
         if (this.lastBookTick + 20 > MinecraftServer.currentTick) {
-            this.disconnect("Book edited too quickly!", org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION); // Paper - kick event cause
+            server.scheduleOnMain(() -> this.disconnect("Book edited too quickly!", org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION)); // Paper - kick event cause // Paper - Also ensure this is called on main
             return;
         }
         this.lastBookTick = MinecraftServer.currentTick;