increase priority of DataList.rendered in absoluteShowingQueue

Must be called before scrollToIndex for that method to function property

Issue: BHV-17375
Enyo-DCO-1.1-Signed-off-by: Ryan Duffy (ryan.duffy@lge.com)
Merge pull request #924 from enyojs/BHV-17375-ryanjduffy

Fixes BHV-17375

Reviewed-By: Krishna Rangarajan (krishna.rangarajan@lge.com)
Integrated-By: Aaron Tam (aaron.tam@lge.com)