outputconfigurationstore: only round the scale factor to 5% steps
This is the same step size as the spinbox in kscreen, and allows the default scale to get closer to the ideal one we're actually targeting.
(cherry picked from commit a2d1f650)
This is the same step size as the spinbox in kscreen, and allows the default scale to get closer to the ideal one we're actually targeting.
(cherry picked from commit a2d1f650)