🎨(frontend) add dsfr proconnect homepage

If we are with the DSFR theme, we need to add the
proconnect button to the homepage.
We add an option in the cunningham theme to
display the proconnect section instead of the
opensource section.

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

@@ -1,13 +1,10 @@
 import { expect, test } from '@playwright/test';
 
-import { goToGridDoc } from './common';
-
-test.beforeEach(async ({ page }) => {
-  await page.goto('/');
-});
-
 test.describe('Footer', () => {
+  test.use({ storageState: { cookies: [], origins: [] } });
+
   test('checks all the elements are visible', async ({ page }) => {
+    await page.goto('/');
     const footer = page.locator('footer').first();
 
     await expect(footer.getByAltText('Gouvernement Logo')).toBeVisible();
@@ -47,12 +44,6 @@ test.describe('Footer', () => {
     ).toBeVisible();
   });
 
-  test('checks footer is not visible on doc editor', async ({ page }) => {
-    await expect(page.locator('footer')).toBeVisible();
-    await goToGridDoc(page);
-    await expect(page.locator('footer')).toBeHidden();
-  });
-
   const legalPages = [
     { name: 'Legal Notice', url: '/legal-notice/' },
     { name: 'Personal data and cookies', url: '/personal-data-cookies/' },
@@ -60,6 +51,8 @@ test.describe('Footer', () => {
   ];
   for (const { name, url } of legalPages) {
     test(`checks ${name} page`, async ({ page }) => {
+      await page.goto('/');
+
       const footer = page.locator('footer').first();
       await footer.getByRole('link', { name }).click();