Bulk port away from foreach
Summary:
Few are left as they are with code which needs further analysis
and posssibly fixes
Test Plan: Tests still pass, all widgets quickly tested in occurences.
Reviewers: Frameworks, cfeck, dhaumann
Reviewed By: dhaumann
Subscribers: dhaumann, kde-frameworks-devel
Tags: Frameworks
Differential Revision: https://phabricator.kde.org/D23597