Changed name generation to use study and series description again.
Summary: Signed-off-by: Ralf Floca <r.floca@dkfz-heidelberg.de>
Test Plan: Review and unit tests
Reviewers: MITK Reviewer Group I, kislinsk
Reviewed By: MITK Reviewer Group I, kislinsk
Maniphest Tasks: T25947
Differential Revision: https://phabricator.mitk.org/D234