Summary: Braces to start a method are on a newline, braces to begin an in-method block are on the same line

Test Plan: Pure source code cosmetic changes. Hopefully no functionality has changed!

Reviewers: #kde_connect, nicolasfella

Reviewed By: #kde_connect, nicolasfella

Subscribers: apol, nicolasfella, kdeconnect

Tags: #kde_connect

Differential Revision: https://phabricator.kde.org/D15978