Since Inquasar Dark Matter is based on v5 Default theme, the order of elements in TCP is pretty easy to change. The stickies on top of this forum will give you tips and links. Check for example this one;
Editing the Default 5 Theme.
Your quest about having mute and solo displayed like in v6 Default but displaying folders like in v5 might be getting harder to mod. Unless somebody is willing to try doing those mods for you, you'll have some themeing studies to do.