merge method
Implementation
ZeroSwitchStyleSet merge(ZeroSwitchStyleSet? other) {
if (other == null) return this;
return copyWith(
basic: basic?.merge(other.basic) ?? other.basic,
android: android?.merge(other.android) ?? other.android,
iOS: iOS?.merge(other.iOS) ?? other.iOS,
disabledColor: other.disabledColor,
);
}