Merge pull request #256 from MBTips/bug/App_tsx에서-accesstoken-접근시-uncaught-typeerror-발생하는-문제-개선-건

fix : App.tsx checkSession 호출 이전 조건문에 parsedAuth 추가

Author: junjeeong

src/App.tsx

@@ -89,7 +89,7 @@ const App = () => {
 
   useEffect(() => {
     initGA();
-    if (parsedAuth.accessToken) checkSession();
+    if (parsedAuth && parsedAuth.accessToken) checkSession();
   }, []);
 
   return (