fix: use custom Textarea component instead of native textarea

Author: fzzv

preview/components/textarea-style-default.tsx

@@ -1,9 +1,11 @@
+import { Textarea } from "@/components/retroui/Textarea";
+
 export default function TextareaStyleDefault() {
   return (
-    <textarea
+    <Textarea
       rows={4}
       placeholder="type something..."
-      className="px-4 py-2 w-full border-2 border-black shadow-md transition focus:outline-hidden focus:shadow-xs"
+      className="px-4 py-2 w-full border-2 shadow-md transition focus:outline-hidden focus:shadow-xs"
     />
   );
 }