fix issue #2130 - With config.showStudyList : false -> Still showing hyperlink to StudyList on Not Found Component

platform/viewer/src/routes/NotFound.js

@@ -1,13 +1,17 @@
 import React from 'react';
 import './NotFound.css';
 import { Link } from 'react-router-dom';
+import { useAppContext } from '../context/AppContext';
 
 export default function NotFound({ message = 'Sorry, this page does not exist.', showGoBackButton = true }) {
+  
+  const context = useAppContext();
+  
   return (
     <div className={'not-found'}>
       <div>
         <h4>{message}</h4>
-        {showGoBackButton && (
+        {showGoBackButton && context.appConfig.showStudyList && (
           <h5>
             <Link to={'/'}>Go back to the Study List</Link>
           </h5>