ContactEditor: Rewrite

TODO:

* Check whether changes are always properly saved
* Check if saved when no name was filled in
* Add properties
1 job for wip/nielsdg/contact-editor-rewrite in 10 minutes and 10 seconds (queued for 4 seconds)
latest
Status Job ID Name Coverage
  Build
passed #5463
build-gnome-contacts

00:10:10