Ensure "reset" buttons are always disabled when at the initial value.
Ensure "reset" buttons are always disabled when at the initial value.

Initial values which didn't respect the Quinn step (e.g. when the step
is 0.1, the initial value 0.1001) would result in the reset button
always being enabled even when the user had not moved the slider.

quintel/etmodel,quintel/etmodel,quintel/etmodel,quintel/etmodel