BHV-19184: Prevent pointer events from IntegerPicker's client area.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #1826 from enyojs/BHV-19184-aarontam

BHV-19184: Prevent pointer events from IntegerPicker's client area.


Reviewed-By: Krishna Rangarajan (krishna.rangarajan@lge.com) 
Integrated-By: Gray Norton (gray.norton@lge.com)