docs: fixed error code bloc related to tutorial

src/routes/docs/tutorials/react/step-7/+page.markdoc

@@ -98,10 +98,10 @@ function App() {
           <Navbar /> {/* Add the navbar before page content */}
           <main>{isLoginPage ? <Login /> : <Home />}</main>
         </IdeasProvider>
-      <UserProvider>
+      </UserProvider>
     </div>
   );
 }
 
 export default App;
-```
+```