T29551 Corrected update of manager buttons
Summary:
+ started to add the new icons
Fixes T29551.
Test Plan: code review + application test
Reviewers: O1 MITK Reviewer Group I, kislinsk
Reviewed By: O1 MITK Reviewer Group I, kislinsk
Maniphest Tasks: T29551
Differential Revision: https://phabricator.mitk.org/D813