🎨(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/doc-grid.spec.ts

@@ -213,7 +213,6 @@ test.describe('Document grid item options', () => {
 test.describe('Documents filters', () => {
   test('it checks the prebuild left panel filters', async ({ page }) => {
     // All Docs
-    await expect(page.getByTestId('grid-loader')).toBeVisible();
     const response = await page.waitForResponse(
       (response) =>
         response.url().endsWith('documents/?page=1') &&
@@ -254,7 +253,6 @@ test.describe('Documents filters', () => {
     url = new URL(page.url());
     target = url.searchParams.get('target');
     expect(target).toBe('my_docs');
-    await expect(page.getByTestId('grid-loader')).toBeVisible();
     const responseMyDocs = await page.waitForResponse(
       (response) =>
         response.url().endsWith('documents/?page=1&is_creator_me=true') &&
@@ -270,7 +268,6 @@ test.describe('Documents filters', () => {
     url = new URL(page.url());
     target = url.searchParams.get('target');
     expect(target).toBe('shared_with_me');
-    await expect(page.getByTestId('grid-loader')).toBeVisible();
     const responseSharedWithMe = await page.waitForResponse(
       (response) =>
         response.url().includes('documents/?page=1&is_creator_me=false') &&
@@ -291,8 +288,6 @@ test.describe('Documents Grid', () => {
 
   test('checks all the elements are visible', async ({ page }) => {
     let docs: SmallDoc[] = [];
-    await expect(page.getByTestId('grid-loader')).toBeVisible();
-
     const response = await page.waitForResponse(
       (response) =>
         response.url().endsWith('documents/?page=1') &&