improper ordering disallowed the initialization routine of the delegate to properly update properties as expected; in horizontal orientation the wrong method was being called when deriving the scrolling threshold

Enyo-DCO-1.1-Signed-off-by: Cole Davis <cole.davis@lge.com>
Merge pull request #545 from enyojs/GF-45822-cole-davis

Fix for: GF-45822

Reviewed-By: Ben Combee (ben.combee@lge.com)