(bug 47435) Fix problem with dismissing copyright notice

Improvement of I010f7086fec45814c2715667f2d2056fdfd926b0 which lead to the copyright notice not to
be shown anymore. Instead of using a simple clone, we now clone data and events as well.

Change-Id: I8d2517568b394f9da8e2ad753e5c8d9fe9595a45