Remove .values() call in foreach

foreach already knows how to iterate over the values without the need to create an intermediate qlist

Change-Id: Icf6bacc3472e09fde6fe3735086cea289ca0fa96
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>