ENYO-654: Allow panels handle to show when panels are hidden.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #1839 from enyojs/ENYO-654-ryanjduffy-2.5

Fixes ENYO-654 in 2.5

Reviewed-By: Art Dahm (art.dahm@lge.com)
Integrated-By: Ryan Duffy (ryan.duffy@lge.com)