fix fix check

[w-e-w]

I believe the intention here is to prevent users from enabling two instances at once so I'm pretty sure that's a typo otherwise it doesn't make sense

[w-e-w]

Oh you already you have a beta branch with the fix

• https://github.com/SenshiSentou/sd-webui-cardmaster/pull/9

probably not consequential now as it's been like this for 7 months but should probably be merged