SWAP behavior with multi-part channels.

What is the goal? A change in organization?

for me, sometimes, the crew hangs the wrong scroller at the wrong position, the dimmer part would stay the same, but swapping out the scroller part would be very helpful.

for me, sometimes, the crew hangs the wrong scroller at the wrong position, the dimmer part would stay the same, but swapping out the scroller part would be very helpful.