feat(ui): add optional "next/previous" slice buttons to the SliceSelector
requested to merge 1086-feat-ui-add-optional-next-previous-slice-buttons-to-the-sliceselector into dev
Description
Add a "displayStepButtons" configuration to sight::module::ui::qt::image::SliceIndexPositionEditor that displays next/previous buttons, next to the slider index label.
Closes #1086 (closed)
How to test it?
Add "displayStepButtons=true" configuration to sight::module::ui::qt::image::SliceIndexPositionEditor