head_steam alias

BUR #26034 has been rejected.

create alias head_steam -> head_smoke
create alias smoke_from_head -> head_smoke

There's an issue with the current name not being intuitive/discoverable enough.

But regardless of that, there should have been aliases to this already

This bulk update request is pending automatic rejection in 5 days.

This bulk update request has been rejected because it was not approved within 45 days.

The bulk update request #26034 (forum #279865) has been rejected by @DanbooruBot.