alias shielding_eyes -> shading_eyes

BUR #27392 has been rejected.

create alias shielding_eyes -> shading_eyes

This tag is for whatever reason tricky to find. Most people I know would call it shielding eyes or shielding from the sun. Can we have a utility alias for this?

I feel like this would overlap too much with covering own eyes.

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

Sounds like it could be confused for covering own eyes.

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

The bulk update request #27392 (forum #285058) has been rejected by @DanbooruBot.