fix: correct className usage in badge component

src/lib/components/ui/badge/badge.svelte

@@ -42,7 +42,7 @@
   this={href ? 'a' : 'span'}
   bind:this={ref}
   {href}
-  class={cn(badgeVariants({ variant, className }))}
+  class={cn(badgeVariants({ variant }), className)}
   {...restProps}
 >
   {@render children?.()}