Picture.darkLight constructor
default is dark
Implementation
Picture.darkLight({
required String lightSrc,
required String darkSrc,
required String alt,
super.id,
super.classes,
super.inlineStyles,
}) : sources = [Source(srcset: lightSrc, media: "(prefers-color-scheme: light)")],
image = Image(src: darkSrc, alt: alt),
super(children: const Iterable.empty());