🚩(project) add FRONTEND_SILENT_LOGIN_ENABLED feature flag

Not every project requires silent login.
This commit adds a new feature flag
FRONTEND_SILENT_LOGIN_ENABLED to enable or
disable silent login functionality.

src/frontend/apps/e2e/__tests__/app-impress/login.spec.ts

@@ -1,9 +1,15 @@
 import { expect, test } from '@playwright/test';
 
+import { overrideConfig } from './utils-common';
+
 test.describe('Login: Not logged', () => {
   test.use({ storageState: { cookies: [], origins: [] } });
 
   test('It tries silent login', async ({ page }) => {
+    await overrideConfig(page, {
+      FRONTEND_SILENT_LOGIN_ENABLED: true,
+    });
+
     const silentLoginRequest = page.waitForRequest((request) =>
       request.url().includes('/api/v1.0/authenticate/?silent=true'),
     );

src/frontend/apps/e2e/__tests__/app-impress/utils-common.ts

@@ -14,6 +14,7 @@ export const CONFIG = {
   FRONTEND_CSS_URL: null,
   FRONTEND_JS_URL: null,
   FRONTEND_HOMEPAGE_FEATURE_ENABLED: true,
+  FRONTEND_SILENT_LOGIN_ENABLED: false,
   FRONTEND_THEME: null,
   MEDIA_BASE_URL: 'http://localhost:8083',
   LANGUAGES: [

src/frontend/apps/impress/src/core/config/api/useConfig.tsx

@@ -25,6 +25,7 @@ export interface ConfigResponse {
   FRONTEND_CSS_URL?: string;
   FRONTEND_HOMEPAGE_FEATURE_ENABLED?: boolean;
   FRONTEND_JS_URL?: string;
+  FRONTEND_SILENT_LOGIN_ENABLED?: boolean;
   FRONTEND_THEME?: Theme;
   LANGUAGES: [string, string][];
   LANGUAGE_CODE: string;

src/frontend/apps/impress/src/features/auth/components/Auth.tsx

@@ -26,8 +26,18 @@ export const Auth = ({ children }: PropsWithChildren) => {
   const [isRedirecting, setIsRedirecting] = useState(false);
   const { data: config } = useConfig();
   const shouldTrySilentLogin = useMemo(
-    () => !authenticated && !hasTrySilent() && !isLoading && !isRedirecting,
-    [authenticated, isLoading, isRedirecting],
+    () =>
+      !authenticated &&
+      !hasTrySilent() &&
+      !isLoading &&
+      !isRedirecting &&
+      config?.FRONTEND_SILENT_LOGIN_ENABLED,
+    [
+      authenticated,
+      isLoading,
+      isRedirecting,
+      config?.FRONTEND_SILENT_LOGIN_ENABLED,
+    ],
   );
   const shouldTryLogin =
     !authenticated && !isLoading && !isRedirecting && !pathAllowed;