Test Plan:
Get called: Notification appears as before.
Get SMS: Notification shows and it appears in SMS app after reconnect.
Write SMS from app: It shows up on the phone
Reviewers: #kde_connect, albertvaka
Reviewed By: #kde_connect, albertvaka
Subscribers: albertvaka, kdeconnect
Tags: #kde_connect
Differential Revision: https://phabricator.kde.org/D14612
