Minor refactor for dashboard layout component

Author: jmsandiegoo

frontend/src/app/dashboard/layout.tsx

@@ -1,8 +1,8 @@
 import Navbar from "@/components/Navbar";
 import { Toaster } from "@/components/ui/toaster";
-import { ReactNode } from "react";
+import React from "react";
 
-export default function DashboardLayout({ children }: { children: ReactNode }) {
+export default function DashboardLayout({ children }: { children: React.ReactNode }) {
   return (
     <>
       <Navbar />