buildIcon method
Implementation
@override
Widget buildIcon(BuildContext context) {
if (icon != null) return icon!;
final useProIcons = FastIconHelper.of(context).useProIcons;
if (useProIcons) {
return const FaIcon(FastFontAwesomeIcons.lightChevronLeft);
}
return const FaIcon(FontAwesomeIcons.chevronLeft);
}