🐛 fix: gird 수정

apps/client/src/widgets/home/WorkspaceGrid/WorkspaceGrid.tsx

@@ -8,7 +8,7 @@ import { PropsWithChildren } from 'react';
 export const WorkspaceGrid = ({ children }: PropsWithChildren) => {
   return (
     <ul className="grid grid-cols-1 gap-x-6 gap-y-8 sm:grid-cols-2 md:grid-cols-3 lg:grid-cols-4">
-      {children}
+      <li>{children}</li>
     </ul>
   );
 };