resolves issue #2019
Merge remote-tracking branch 'XTUPLE/4_8_x' into ReassignActivity
change destroyClientControls to removeFromDom
Merge remote-tracking branch 'XTUPLE/4_8_x' into ReassignActivity
Merge pull request #2091 from jcarlin/ReassignActivity

resolves issue #2019: reassign user menu scroller breaks