Colleen O’Connor was surrounded by a mess of her own making, just the way she liked it. Across the tables of her St. Paul art studio were small frames, cups of paintbrushes and mini plastic pots filled with acrylic paint she mixed herself. She moved into the space in October 2019, thinking it would be a good place to host classes and expand a business she’d been running from her attic. “The intention of the studio was to up my game a little bit and to prove to myself and others that I was an artist,” O’Connor said. Six months later, her hopes and ideas changed. The worst public health…