ENH: Fix 3943 and other enhancements for slice view annotaitons
Created by: mehrtash
- Fixed #3943 [1] by replacing DICOM study date and study time with series date and series time.
- Moved slice view annotations settings gear from Data Probe small widget (main screen) to the Data probe module in order to preserve more screen real estate for the module uis.
- Fixed problem with color scalarbar range labels.
- Added an option to change format of color scalarbar range label and save the user settings in application settings.
- Change ruler text font size and family according to other text annotations.