Thanks! I think this was done wrong, so I created a new one and will see about linking to it via my style's page. Except I won't touch the metadata as it's the site's logo, and not the favicon. Right?
Browser cleared multiple times, restarted, and I removed the old one from the server (renamed it). So far nothing, I'm thinking maybe due to using Cloudflare it could delay some of the updating, so I'll see where it is in a couple days.
So now I uploaded all the faviconn format I needed and they all showed up except for the ACP. However, our hosting has refreshed Cloudflare and that fixed it. Now it shows in all contexts.