[MOD RELATED] Cant change horse mane colors?

I've also noticed that the mane colors are unable to be changed or personally selected. I'm not sure if this is a bug it probably is. But I want to try and recreate some horses with their specific breeds and mane color but I'm unable to because the breed's pre-selected mane color doesn't change. I've looked through the entire create-a-horse UI and I cannot find anything that allows you to change horse mane color. Say you choose the Arabian no matter what coat color you change the breed too. Their mane will stay the same. So if you want a black mane on your black Arabian horse you have to choose a different breed in order to get a black mane. Which is utterly infuriating. Obviously, the breed has nothing to do with mane color. If people want to recreate their beloved horse in-game with their specific breed selected but guess what the mane hair color is completely different than the actual horse you want to recreate. I hope that this is just a glitch of mane color swatched not showing up because otherwise, this is a drastic oversight on development. But I'm crossing my fingers. I have, however, figured out that randomizing the hair changes the hair color but the mane color swatches are not showing up. So that gives me a little bit of hope this can be fixed.