A trim assembly includes a first trim portion spaced apart from an opposed second trim portion, a first surface on the first trim portion, a first magnet connected to the first trim portion so as to be hidden when the user views the first surface and a second surface on the first trim portion, a second magnet connected to the second trim portion so as to be hidden when the user views the second surface. When the working subassembly is configured to span between the first trim portion and the second trim portion, the working subassembly magnetically connectable through the first and second surfaces to the respective first and second magnets.