Realms forcing Vanilla textures when Global Resources is the only thing enabled

So, a friend of mine has a realm, and up until recently, we've all been able to use our own resource packs through global resources. However, they accidentally enabled a pack for the realm, and although it's since been removed, the realm is now forcing everyone to use the vanilla resources.

currently, the pack settings look like this:

we've tried re-uploading the world, when a different world was active it was working fine but we can't figure out if this is something on our end or simply a bug.