DynamicFavicon hardcoded link.type='image/png', so an SVG/.ico favicon was declared as PNG and browsers ignored it. Derive the type from the file extension instead. (Sidebar icon already uses <img> which renders SVG fine.)
DynamicFavicon hardcoded link.type='image/png', so an SVG/.ico favicon was declared as PNG and browsers ignored it. Derive the type from the file extension instead. (Sidebar icon already uses <img> which renders SVG fine.)