SPIGOT-4245, MC-128441: use target world as teleport destination

nms-patches/CommandTeleport.patch

@@ -1,5 +1,14 @@
 --- a/net/minecraft/server/CommandTeleport.java
 +++ b/net/minecraft/server/CommandTeleport.java
+@@ -49,7 +49,7 @@
+         while (iterator.hasNext()) {
+             Entity entity1 = (Entity) iterator.next();
+ 
+-            a(commandlistenerwrapper, entity1, commandlistenerwrapper.getWorld(), entity.locX, entity.locY, entity.locZ, EnumSet.noneOf(PacketPlayOutPosition.EnumPlayerTeleportFlags.class), entity.yaw, entity.pitch, (CommandTeleport.a) null);
++            a(commandlistenerwrapper, entity1, (WorldServer) entity.world, entity.locX, entity.locY, entity.locZ, EnumSet.noneOf(PacketPlayOutPosition.EnumPlayerTeleportFlags.class), entity.yaw, entity.pitch, (CommandTeleport.a) null); // SPIGOT-4245, MC-128441 - use target world as destination
+         }
+ 
+         if (collection.size() == 1) {
 @@ -116,9 +116,9 @@
          if (entity instanceof EntityPlayer) {
              entity.stopRiding();