fix: use lazy from react19 instead of loadable

Author: marcelpanse

frontend/package.json

@@ -14,7 +14,6 @@
   },
   "dependencies": {
     "@hookform/resolvers": "^5.2.2",
-    "@loadable/component": "^5.16.7",
     "@radix-ui/react-dialog": "^1.1.15",
     "@radix-ui/react-dropdown-menu": "^2.1.16",
     "@radix-ui/react-label": "^2.1.8",

frontend/src/App.tsx

@@ -1,6 +1,5 @@
-import { lazy } from '@loadable/component'
 import { ReactQueryDevtools } from '@tanstack/react-query-devtools'
-import { Suspense, useEffect, useState } from 'react'
+import { lazy, Suspense, useEffect, useState } from 'react'
 import { ErrorBoundary } from 'react-error-boundary'
 import { createHashRouter, Navigate, Outlet, RouterProvider, useLocation, useParams } from 'react-router'
 import DonationPopup from '@/components/DonationPopup.tsx'