I'm looking to use a Font Awesome Brand icon for a MailChimp workflow in Umbraco Forms. However I only appear to have access to the standard font awesome icons. "fa fa-rocket" works, but "fab fa-mailchimp" doesn't https://cdn.discordapp.com/attachments/1200388124073807913/1200388124761661470/image.png?ex=65c5ff8f&is=65b38a8f&hm=0c2213c4094ee82e04139a7b7a0208888886e7bdae09eae8dfb1c2a7be87650e&