That's nicer than the way I did it... I found the wires on the pot didn't fit snugly in the breadboard holes and did much what you did but just with wire that fitted into the breadboard holes- just used the tails of some resistors iirc.
Yours is a better way, with the pins the right distance apart; mine just with wires still needs a bit of manipulation to line up each time and is also a bit flimsy.
Good idea there. What you've got is a halfway stage between virgin components and the commercially available breakout boards which is just the component (ok, sometimes more than just the component) on a small board with a header.