Fix flicker issue in web implementation of Slider component

- Updated `sliderStyle` to conditionally set width only when it's not zero to prevent initial flicker during re-renders.
- This change ensures a smoother user experience by eliminating flicker effects when the component re-renders.

Author: landabaso

package/src/Slider.tsx

@@ -230,7 +230,7 @@ const SliderComponent = (
 
   const defaultStyle =
     Platform.OS === 'ios' ? styles.defaultSlideriOS : styles.defaultSlider;
-  const sliderStyle = {zIndex: 1, width: width};
+  const sliderStyle = {zIndex: 1, ...(width !== 0 && {width})};
   const style = StyleSheet.compose(props.style, defaultStyle);
 
   const onValueChangeEvent = (event: Event) => {