Added a QSpinBox to adjust granularity while doing transforms
Summary:
The patch adds a QSpinBox to the transform tool options to adjust the granularity while doing transforms.
This patch fixes real transformation granularity only, preview
granularity will be solved in the following patches.
CCBUG:344210
Reviewers: Krita, rempt, dkazakov
Reviewed By: Krita, dkazakov
Subscribers: Krita
Tags: Krita
Differential Revision: https://phabricator.kde.org/D17660