Only disable Slider component on Android

On iOS the default disabled style of the Slider already makes it transparent. So, in order to avoid make it too transparent with the Cell's disabled style, we only disable it on Android.

packages/components/src/mobile/bottom-sheet/range-cell.native.js

@@ -226,7 +226,7 @@ class BottomSheetRangeCell extends Component {
 								testID={ `Slider ${ cellProps.label }` }
 								value={ sliderValue }
 								defaultValue={ defaultValue }
-								disabled={ disabled }
+								disabled={ disabled && ! isIOS }
 								step={ step }
 								minimumValue={ minimumValue }
 								maximumValue={ maximumValue }