[#160699277] Bug fix: After adding a movable value, the Percent checkbox is not available until after dismissing and then bringing back the inspector palette.
[#160699277] Bug fix: After adding a movable value, the Percent checkbox is not available until after dismissing and then bringing back the inspector palette.

Hide the palette when adding or removing.

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