fix(frontend): Use theme.css in index

Author: DEVUCP

front-end/src/index.js

@@ -1,7 +1,7 @@
 import React from 'react';
 import ReactDOM from 'react-dom/client';
 import './index.css';
-// import './styles/theme.css';
+import './styles/theme.css';
 import App from './App';
 import { useState } from 'react';
 import { Box, TextField, Button } from '@mui/material';
@@ -26,6 +26,7 @@ const IpForm = () => {
       }
     } catch (error) {
       console.error(error);
+      setCheckingURL(false);
       return false;
     }
   }