T30269-Avoid_phantom_drawing_in_editable_contour_tool
Summary:
Improve constness
fixed T30269
added a condiction to check for enough distance
(at least diagonal norm of a voxel) to the last
point before drawing starts.
Test Plan: code review; ui test
Reviewers: O1 MITK Reviewer Group I, O3 MITK Reviewer Group II, kislinsk
Reviewed By: O1 MITK Reviewer Group I, O3 MITK Reviewer Group II, kislinsk
Subscribers: kislinsk
Maniphest Tasks: T30269, T30405
Differential Revision: https://phabricator.mitk.org/D938