SPIGOT-4970: PlayerTeleportEvent event.setTo() has no effect on portal teleports

nms-patches/EntityPlayer.patch

@@ -398,7 +398,7 @@
 +                return null;
 +            }
 +
-+            exit = event.getTo();
++            exit = tpEvent.getTo();
 +            if (exit == null) {
 +                return null;
 +            }