fix(lucide-static): add viewBox attribute to sprite symbol elements (#4223)

Sprite symbols were missing the viewBox attribute, causing icons to be clipped instead of scaling proportionally when used at smaller sizes.

Fixes #2768

packages/lucide-static/scripts/generateSprite.mts

@@ -15,6 +15,7 @@ export default async function generateSprite(
     value: '',
     attributes: {
       id: name,
+      viewBox: parsedSvg.attributes.viewBox,
     },
     children: parsedSvg.children,
   }));