Fix player desync on dimension change (#8253)

patches/server/0947-Set-position-before-player-sending-on-dimension-chan.patch

@@ -0,0 +1,20 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
+Date: Sat, 6 Aug 2022 18:10:14 -0400
+Subject: [PATCH] Set position before player sending on dimension change
+
+This causes a moment where the player entity is sent with the previous location, and the
+teleport packet which is sent shortly after is meant to correct that.
+
+diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
+index 3615576c24d5d6790a6894a91180de25fa0e5a9c..a6fe628eb56833e79a05ce192a3848fc66db93c9 100644
+--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
++++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
+@@ -1156,6 +1156,7 @@ public class ServerPlayer extends Player {
+ 
+                 // CraftBukkit end
+                 this.setLevel(worldserver);
++                this.moveTo(exit.getX(), exit.getY(), exit.getZ(), exit.getYaw(), exit.getPitch()); // Paper - Set the location before
+                 worldserver.addDuringPortalTeleport(this);
+                 this.connection.teleport(exit); // CraftBukkit - use internal teleport without event
+                 this.connection.resetPosition(); // CraftBukkit - sync position after changing it (from PortalTravelAgent#findAndteleport)