refactor: unified cn utils (#29916)

Co-authored-by: yyh <yuanyouhuilyz@gmail.com>
Co-authored-by: yyh <92089059+lyzno1@users.noreply.github.com>

web/app/components/datasets/preview/header.tsx

@@ -1,5 +1,5 @@
 import type { ComponentProps, FC } from 'react'
-import classNames from '@/utils/classnames'
+import { cn } from '@/utils/classnames'
 
 export type PreviewHeaderProps = Omit<ComponentProps<'div'>, 'title'> & {
   title: string
@@ -9,9 +9,7 @@ export const PreviewHeader: FC<PreviewHeaderProps> = (props) => {
   const { title, className, children, ...rest } = props
   return <div
     {...rest}
-    className={classNames(
-      className,
-    )}
+    className={cn(className)}
   >
     <div
       className='system-2xs-semibold-uppercase mb-1 px-1 uppercase text-text-accent'