Clipboard sync on new connection
Summary: Added a timestamp to track clipboard changes, so when a new device connects it will sync the most recently updated clipboard to both devices.
Reviewers: KDE Connect, albertvaka
Reviewed By: KDE Connect, albertvaka
Subscribers: albertvaka, sredman, kdeconnect
Tags: KDE Connect
Differential Revision: https://phabricator.kde.org/D22584