Toggle shiny button is not working

[eldantain]

Hi admin,

Toggle shiny button in Upgrade tab isn't working, so I can't downgrade shiny cards.
Can you fix it?

eldantain

[serprex]

https://github.com/serprex/openEtG/commit/2f20f2d272303d0fa86434ea762f6aba5355b4d3

Thanks for clear report, heard a few people mentioning this on Discord but wasn't sure what they were talking about