Fix import order error in App.js

Move basename const declaration after all imports to fix ESLint
import/first rule violation that was breaking the prod build.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: kanwalnainsingh

code_base/web-ui/src/App.js

@@ -4,12 +4,12 @@ import { library } from '@fortawesome/fontawesome-svg-core'
 import { faFileUpload } from '@fortawesome/free-solid-svg-icons'
 
 import { BrowserRouter } from 'react-router-dom';
-
-const basename = process.env.PUBLIC_URL || '';
 import { Routes } from './router/Routes'
 
 library.add(faFileUpload)
 
+const basename = process.env.PUBLIC_URL || '';
+
 class App extends Component {
   render() {
     return (