TotalSegmentator code updates
Summary: TotalSegmentator code improvement for 4D support & new icon "Run TotalSegmentator" preview button
Test Plan: NA
Reviewers: floca, O1 MITK Reviewer Group I
Reviewed By: floca, O1 MITK Reviewer Group I
Maniphest Tasks: T29558
Differential Revision: https://phabricator.mitk.org/D822