T28767-Improve_performance_of_paint_and_wipe

Summary:
Introduced FillContourInSlice2
+ deprecated FillContourInSlice and FillSliceInSlice

FillContourInSlice2 and TransferLabelContent should be used.

Enabled TransferLabelConent to efficently handle sub regions for transfer.

Reworked Paintbrush tool to be faster and avoid unnecessary operations.

+ Used FillContourInSlice2 and TransferLabelContent

In the end it is faster now but still not fast enough for larger images. Have to wait for user feedback.

Test Plan: code review, manual testing

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

Differential Revision: https://phabricator.mitk.org/D721