cancel any pending tooltips if the decorator or any of its ancestors is hidden

Issue: BHV-17758
Enyo-DCO-1.1-Signed-off-by: Ryan Duffy (ryan.duffy@lge.com)
add super call and fix jshint

Enyo-DCO-1.1-Signed-off-by: Ryan Duffy (ryan.duffy@lge.com)
Merge pull request #1770 from enyojs/BHV-17758-ryanjduffy-2.5.2-pre.8

BHV-17758 (2.5.2-pre.8)

Integrated-By: Aaron Tam (aaron.tam@lge.com)