Fix for Bug #1643260, Step size changed to 0.1% for Blur and Opacity Spin Buttons.
Changed the step size from 1.0% to 0.1%, to give the user a more finer control over Blur and Opacity values when changing them with Mouse Wheel.
Changed the step size from 1.0% to 0.1%, to give the user a more finer control over Blur and Opacity values when changing them with Mouse Wheel.