Fix: React Helmet error

Fixes a TypeError related to react-helmet-async, likely caused by incorrect usage or configuration.

Author: lovable-dev[bot]

src/App.tsx

@@ -1,11 +1,11 @@
-
 import { Toaster } from "@/components/ui/toaster";
 import { Toaster as Sonner } from "@/components/ui/sonner";
 import { TooltipProvider } from "@/components/ui/tooltip";
 import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
 import { BrowserRouter, Routes, Route, Navigate } from "react-router-dom";
 import { useEffect, lazy, Suspense } from "react";
 import { ErrorBoundary } from "@/components/ErrorBoundary";
+import { HelmetProvider } from 'react-helmet-async';
 import './i18n';
 
 // Lazy loading des composants de page
@@ -98,15 +98,17 @@ const DomainRouter = () => {
 
 const App = () => (
   <ErrorBoundary>
-    <QueryClientProvider client={queryClient}>
-      <TooltipProvider>
-        <Toaster />
-        <Sonner />
-        <BrowserRouter>
-          <DomainRouter />
-        </BrowserRouter>
-      </TooltipProvider>
-    </QueryClientProvider>
+    <HelmetProvider>
+      <QueryClientProvider client={queryClient}>
+        <TooltipProvider>
+          <Toaster />
+          <Sonner />
+          <BrowserRouter>
+            <DomainRouter />
+          </BrowserRouter>
+        </TooltipProvider>
+      </QueryClientProvider>
+    </HelmetProvider>
   </ErrorBoundary>
 );