Show SNI when software renderer is in use
Summary: This then invokes the relevant KCM when clicked
Test Plan:
Forced software rendering, saw SNI
restarted, saw SNI
set "never show again". It hid itself
Restarted. It remained hidden
Reviewers: Plasma, broulik
Reviewed By: Plasma, broulik
Subscribers: alexeymin, broulik, plasma-devel
Tags: Plasma
Differential Revision: https://phabricator.kde.org/D12679