Stop recording when change to / from collector mode
Stop recording when change to / from collector mode

"Stop recording when the diagram suddenly includes time (or stops including time)"
"It's possible to change nodes into collectors while recording.   We should stop recording when this happens...."

[#134467441]
https://www.pivotaltracker.com/story/show/134467441

concord-consortium/building-models,concord-consortium/building-models,concord-consortium/building-models,concord-consortium/building-models,concord-consortium/building-models