Use WhatsThis strings for tooltips in Konfigurator window
Summary:
Some might want the tooltips on hover.
BUG: 390988
Test Plan: Compile, install, should show tooltips in Konfigurator window on hover.
Reviewers: Krusader, gengisdave
Reviewed By: Krusader, gengisdave
Subscribers: gengisdave
Differential Revision: https://phabricator.kde.org/D29398