Add devices search & platform editing

But at the moment there is no extra view functionality. However it is a start to get the stuff in the master.

approved this merge request

By Marc Hanisch on 2020-05-06T10:45:27 (imported from GitLab)

merged

By Nils Brinckmann on 2020-05-06T10:52:52 (imported from GitLab)

mentioned in commit 141c5723

By Nils Brinckmann on 2020-05-06T10:52:52 (imported from GitLab)