Alias wagasa -> oriental_umbrella

BUR #4049 has been approved by @evazion.

create alias wagasa -> oriental_umbrella

It seems oriental_umbrella is the tag to use but that wasn't obvious to me.

EDIT: The bulk update request #4049 (forum #176602) has been approved by @evazion.

Would it be worthwhile switching to the more specific term, oil-paper umbrella?

Going by "tag what you see", I think we can see the design but not what it's made of.

I don't like "oriental" much though… why do we use that instead of "asian"?

The bulk update request #4049 (forum #176602) has been approved by @evazion.

BUR #4073 has been approved by @evazion.

create alias oriental_umbrella -> oil-paper_umbrella
remove alias japanese_umbrella -> oriental_umbrella
create alias japanese_umbrella -> oil-paper_umbrella
create alias paper_umbrella -> oil-paper_umbrella

Oil-paper umbrella is what Wikipedia calls it and that's good enough for me. Oriental umbrella is a term we made up in topic #5672, it's not a common term for it outside Danbooru.

Also add some other aliases to make finding it easier.

The bulk update request #4073 (forum #176728) has been approved by @evazion.