ANG-10315 Reduce redundant function call only after models added, additional didScroll call could be required.
ANG-10315 Reduce redundant function call
only after models added, additional didScroll call could be required.

Enyo-DCO-1.1-Signed-off-by: David Um david.um@lge.com

enyojs/moonstone,mcanthony/moonstone,mcanthony/moonstone,mcanthony/moonstone