There is no perfect homeschool room. There is what works for you and your kids, and your home.
We have gone from a dining room homeschool room to having an actual homeschool room, and are back to a dining room homeschool room.
Our homeschool life is our life. Using the dining room table for our lessons and going back to storing things in a hutch works best for us.
Homeschool room decor is fun to shop for, and it can really brighten up a schoolroom no matter how small or dark it might be.