GF-58769: Update scroll position after it actually scrolled.
GF-58769: Update scroll position after it actually scrolled.

didScroll() means scroller actually scrolled.
When didScroll() is called, scrollBounds should be updated.
However,  scrollBounds is not updated yet at this point.

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

beni55/enyo,mcanthony/enyo,enyojs/enyo,wikieswan/enyo,soapdog/enyo,bright-sparks/enyo,beni55/enyo,zefsolutions/enyo,bright-sparks/enyo,kustomzone/enyo,enyojs/enyo,soapdog/enyo,zefsolutions/enyo,wikieswan/enyo,PKRoma/enyo,mcanthony/enyo,kustomzone/enyo,PKRoma/enyo