Fix join button in login screen.

[GiRx8]

Resolves https://github.com/ko4life-net/ko/issues/126

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Description

This code was submitted by @KnightGuard-KO

Tested and works as should :) thanks for the help!

💔Thank you!

[stevewgr]

Also build is passing: https://github.com/ko4life-net/ko/actions/runs/3230207580/jobs/5288388390

We got two approvals. So I'm going to merge this one.

Nice work, @GiRx8 and @KnightGuard-KO! 🚀

[stevewgr]

Thanks guys and @xGuTeK for merging! 🚀 🎉