the ShowDiff invoked by button in ChangesView or Commit dialog always shows the file as 'added', i.e. it is compared with empty base version.
CompareWithSSVersion and Diff invoked from history shows difference normally
Description
the ShowDiff invoked by button in ChangesView or Commit dialog always shows the file as 'added', i.e. it is compared with empty base version.
CompareWithSSVersion and Diff invoked from history shows difference normally