Fixed T27698 - Segmentation toolbox is never enabled in multi-label segmentation view
Summary:
- fixed enabled state
- removed dead code
Test Plan: code review and application test
Reviewers: O1 MITK Reviewer Group I, thomass, kislinsk
Reviewed By: O1 MITK Reviewer Group I, kislinsk
Maniphest Tasks: T27698
Differential Revision: https://phabricator.mitk.org/D396