[#162188009] Bug fix: Crash on selecting point in map when there is only one point.
[#162188009] Bug fix: Crash on selecting point in map when there is only one point.

Because there is only one point, preparation to move it to a different layer messes up paper.bottom.

concord-consortium/codap,concord-consortium/codap,concord-consortium/codap,concord-consortium/codap,concord-consortium/codap