Copy button to copy theme to clipboard broken

[lacostenycoder]

Clicking the button on Copy button raises a console error

[PeterDaveHello]

Same problem here, here's the error I got on Firefox:

Uncaught (in promise) TypeError: r[n].types is undefined
    S https://cdnjs.cloudflare.com/ajax/libs/clipboard-polyfill/3.0.1/main/clipboard-polyfill.min.js:1
    write https://cdnjs.cloudflare.com/ajax/libs/clipboard-polyfill/3.0.1/main/clipboard-polyfill.min.js:1
    t https://cdnjs.cloudflare.com/ajax/libs/clipboard-polyfill/3.0.1/main/clipboard-polyfill.min.js:1
    t https://cdnjs.cloudflare.com/ajax/libs/clipboard-polyfill/3.0.1/main/clipboard-polyfill.min.js:1
    o https://cdnjs.cloudflare.com/ajax/libs/clipboard-polyfill/3.0.1/main/clipboard-polyfill.min.js:1
    o https://cdnjs.cloudflare.com/ajax/libs/clipboard-polyfill/3.0.1/main/clipboard-polyfill.min.js:1
    write https://cdnjs.cloudflare.com/ajax/libs/clipboard-polyfill/3.0.1/main/clipboard-polyfill.min.js:1
    copyColors https://slackthemes.net/javascripts/all.js:1
    Angular 6
clipboard-polyfill.min.js:1:4676
    o https://cdnjs.cloudflare.com/ajax/libs/clipboard-polyfill/3.0.1/main/clipboard-polyfill.min.js:1
    write https://cdnjs.cloudflare.com/ajax/libs/clipboard-polyfill/3.0.1/main/clipboard-polyfill.min.js:1
    copyColors https://slackthemes.net/javascripts/all.js:1
    Angular 6