BHV-6842: Allow for Scroll to Index function to be reused when list is not scrolled.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #1271 from enyojs/BHV-6842-aarontam

BHV-6842: [DataListSample] Allow for Scroll to Index function to be reused when list is not scrolled.