fix(settings): keep the language and save settings one after the other

src/pages/GameDetail.reload.test.jsx

@@ -0,0 +1,44 @@
+// @vitest-environment jsdom
+import {afterEach, beforeEach, expect, it, vi} from 'vitest';
+import {cleanup, fireEvent, render, screen, waitFor} from '@testing-library/react';
+import {MemoryRouter, Route, Routes} from 'react-router-dom';
+import GameDetail from './GameDetail.jsx';
+import {PreferencesProvider} from '../context/PreferencesContext.jsx';
+
+vi.mock('react-i18next', () => import('../test/i18n-mock.js'));
+// Stands in for a saved correction, which loads the game again.
+vi.mock('../components/GameCorrectionDialog.jsx', () => ({
+    default: ({onChanged}) => <button type="button" onClick={onChanged}>correction saved</button>,
+}));
+
+const game = {
+    appid: 220, name: 'Half-Life 2', playtimeMinutes: 100, playtime2Weeks: 90, status: 'BACKLOG',
+    rating: null, notes: null, priority: null, hasAchievements: false, statsVisible: false, achievements: [],
+};
+
+const gameLoads = () => fetch.mock.calls.filter(([url]) => url.endsWith('/api/library/games/220')).length;
+
+beforeEach(() => {
+    localStorage.setItem('tbp_session', '1');
+    globalThis.fetch = vi.fn(async (url) => ({ok: true, status: 200,
+        json: async () => (url.includes('/api/users/me') ? {role: 'AUDITOR', activeRole: 'AUDITOR'} : game)}));
+});
+
+afterEach(() => {
+    cleanup();
+    localStorage.clear();
+});
+
+it('keeps unsaved notes while the game loads again after a correction', async () => {
+    render(
+        <MemoryRouter initialEntries={['/library/220']}><PreferencesProvider>
+            <Routes><Route path="/library/:appid" element={<GameDetail/>}/></Routes>
+        </PreferencesProvider></MemoryRouter>,
+    );
+    fireEvent.change(await screen.findByLabelText('BACKLOG.NOTES_LABEL'), {target: {value: 'my draft'}});
+
+    fireEvent.click(await screen.findByRole('button', {name: 'correction saved'}));
+
+    await waitFor(() => expect(gameLoads()).toBe(2));
+    await waitFor(() => expect(screen.getByLabelText('BACKLOG.NOTES_LABEL').value).toBe('my draft'));
+});