SPIGOT-1788: Correctly teleport the player back to their old location

nms-patches/PlayerConnection.patch

@@ -247,7 +247,7 @@
 +
 +                        // If the event is cancelled we move the player back to their old location.
 +                        if (event.isCancelled()) {
-+                            this.player.playerConnection.sendPacket(new PacketPlayOutPosition(from.getX(), from.getY(), from.getZ(), from.getYaw(), from.getPitch(), Collections.<PacketPlayOutPosition.EnumPlayerTeleportFlags>emptySet(), this.teleportAwait));
++                            teleport(from);
 +                            return;
 +                        }
 +
@@ -375,7 +375,7 @@
 +
 +                                // If the event is cancelled we move the player back to their old location.
 +                                if (event.isCancelled()) {
-+                                    this.player.playerConnection.sendPacket(new PacketPlayOutPosition(from.getX(), from.getY(), from.getZ(), from.getYaw(), from.getPitch(), Collections.<PacketPlayOutPosition.EnumPlayerTeleportFlags>emptySet(), this.teleportAwait));
++                                    teleport(from);
 +                                    return;
 +                                }
 +