[#37888567] Scroll in learners list when adding collaborators.
[#37888567] Scroll in learners list when adding collaborators.

https://www.pivotaltracker.com/story/show/37888567

concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse