Port QSignalSpies to PFM connect syntax, using clazy.
Summary:
Sergio implemented support for QSignalSpy in the fixit
"fix-old-style-connect". Thanks!
CCMAIL: smartins@kde.org
Test Plan: ctest still passes
Reviewers: dvratil, vkrause
Reviewed By: vkrause
Subscribers: kde-pim
Differential Revision: https://phabricator.kde.org/D20715