Default tool: Only create move command for shape(s) that has actually moved

Summary:
Some shape(s) in a selection might not be movable due to e.g. alignment.
Check if shape(s) actually has moved, and create command only for those
shapes that has moved.

Fixed-In: 3.0.1

Reviewers: boemann

Reviewed By: boemann

Tags: KEXI, #calligra:_3.0

Differential Revision: https://phabricator.kde.org/D4265