BHV-13623: Prevent ListActions from being covered by moon.Scroller.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #1578 from enyojs/BHV-13623-aarontam

BHV-13623: Prevent ListActions from being covered by moon.Scroller.