Enhance the 2 lists of organisations on the topic form to be connected sortables.  Sorting the lead organisation list will fill in the lead_ordering form fields to respect the sorted ordering.  Dragging things between the 2 lists will toggle the lead field on those items as appropriate.
Enhance the 2 lists of organisations on the topic form to be connected sortables.  Sorting the lead organisation list will fill in the lead_ordering form fields to respect the sorted ordering.  Dragging things between the 2 lists will toggle the lead field on those items as appropriate.

hotvulcan/whitehall,alphagov/whitehall,ggoral/whitehall,robinwhittleton/whitehall,ggoral/whitehall,askl56/whitehall,askl56/whitehall,alphagov/whitehall,alphagov/whitehall,alphagov/whitehall,hotvulcan/whitehall,YOTOV-LIMITED/whitehall,ggoral/whitehall,YOTOV-LIMITED/whitehall,ggoral/whitehall,hotvulcan/whitehall,robinwhittleton/whitehall,YOTOV-LIMITED/whitehall,hotvulcan/whitehall,YOTOV-LIMITED/whitehall,robinwhittleton/whitehall,robinwhittleton/whitehall,askl56/whitehall,askl56/whitehall