Creating Scene components in ActorComponent, but doesn't attach to Owner?

I’m creating an ActorComponent that creates and manages a few SceneComponents to be put on the parent Actor. This seems to work quite well in code at runtime, but I want these scene components available in the Editor so that their properties might be adjusted.

Problem is, I can’t seem to attach these scene components in a manner that the Editor can see them.

So far I’ve tried using the SetupAttachment, AttachTo, and AttachToComponent functions in the Constructor as well as OnRegister, but nothing seems to work…

What am I doing wrong?