Fix totalsegmentator label name parsing
Summary: Introducing regex to remove unnecessary quotes or any special character that might appear in the mapped label names
Test Plan: NA
Reviewers: kislinsk, O1 MITK Reviewer Group I, floca
Reviewed By: O1 MITK Reviewer Group I, floca
Maniphest Tasks: T29560
Differential Revision: https://phabricator.mitk.org/D859