when return to spell&trap zone

https://www.db.yugioh-card.com/yugiohdb/faq_search.action?ope=5&fid=22612&keyword=&tag=-1&request_locale=ja

http://yugioh-wiki.net/index.php?%A1%D4%A5%AC%A5%AC%A5%AC%A5%DE%A5%B8%A5%B7%A5%E3%A5%F3%A1%D5
https://www.db.yugioh-card.com/yugiohdb/faq_search.action?ope=5&fid=8557&keyword=&tag=-1
Now "becomes level X" will set the level to X correctly.

This reverts commit b941bfea.

a and b have the same name: a:IsCode(b:GetCode())
a and b have the same original name: a:IsOriginalCodeRule(b:GetOriginalCodeRule())
GetOriginalCode()
printed name on cards(can be different from original card name)
GetOriginalCodeRule()
original card name