Give the GHNS button an appropriate icon and more consistent text
Summary:
This patch gives the GHNS button an icon and tweaks its text to be consistent with the general pattern seen in other KCMs.
BUG: 400424
FIXED-IN: 5.15.0
Test Plan:
Reviewers: Plasma, VDG, davidedmundson
Reviewed By: Plasma, davidedmundson
Subscribers: davidedmundson, plasma-devel
Tags: Plasma
Differential Revision: https://phabricator.kde.org/D16497