SPIGOT-3864: Protect against suffocation on world change

nms-patches/PlayerList.patch

@@ -621,7 +621,7 @@
 +        exitWorld.getTravelAgent().adjustExit(entityplayer, exit, velocity);
 +
 +        entityplayer.worldChangeInvuln = true; // CraftBukkit - Set teleport invulnerability only if player changing worlds
-+        this.moveToWorld(entityplayer, exitWorld.dimension, true, exit, false); // Vanilla doesn't check for suffocation when handling portals, so neither should we
++        this.moveToWorld(entityplayer, exitWorld.dimension, true, exit, true); // SPIGOT-3864
 +        if (entityplayer.motX != velocity.getX() || entityplayer.motY != velocity.getY() || entityplayer.motZ != velocity.getZ()) {
 +            entityplayer.getBukkitEntity().setVelocity(velocity);
 +        }