Add RGB color support for placeholders

[DriftyDev]

Is your feature request related to a problem?

Yes, when using a placeholder (Luckperms suffix) rgb chat formatting doesnt work.

Describe the solution you'd like

Parse placeholders with miniMessages.

Describe alternatives you've considered

When using normal hex (Prefix)

The scoreboard placeholders does turn bold but it doesnt color, btw same happens with chat.

Additional context

No response

[zetastormy]

I will try to fix this issue as soon as I can. Thank you for reporting!

[zetastormy]

Now that I think about it, a temporary solution might be using MiniPlaceholders LuckPerms Expansion, as Akropolis is compatible with it.

[zetastormy]

It seems to work fine now, sorry for the delay.