show a thin separator between view and scrollbar
Summary:
This look makes listviews look way better, not having the selected
items look truncated into nothingness.
Always display "big" handles, due to the numerous complaints of the slim handles not being obvious
Test Plan:
Before:
After:
Reviewers: Plasma, Breeze, VDG, ngraham, hpereiradacosta
Reviewed By: VDG, ngraham, hpereiradacosta
Subscribers: ndavis, ahiemstra, hpereiradacosta, mthw, plasma-devel
Tags: Plasma
Maniphest Tasks: T9126
Differential Revision: https://phabricator.kde.org/D26655