hand on headwear utility alias

BUR #44709 has been rejected.

create alias holding_worn_hat -> hand_on_headwear

Findability (there is another tag, holding unworn hat)

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 #44709 (forum #373360) has been rejected by @DanbooruBot.