[#161628421] Bug fix: Marquee selection with 3000 points in dot chart is painfully slow
[#161628421] Bug fix: Marquee selection with 3000 points in dot chart is painfully slow

- Case card had delay when clicking arrows. Fixed that.

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