💬(frontend) update texts

- change message showed in mailbox list when none exist
- change CTA button text for group management modals
- fix 404 page title
- update translations
- update related e2e tests

src/frontend/apps/e2e/__tests__/app-desk/mail-domain.spec.ts

@@ -119,7 +119,9 @@ test.describe('Mail domain', () => {
       page.getByRole('heading', { name: /domain\.fr/ }).first(),
     ).toBeVisible();
 
-    await expect(page.getByText('This table is empty')).toBeVisible();
+    await expect(
+      page.getByText('No mail box was created with this mail domain.'),
+    ).toBeVisible();
   });
 
   test('checks all the elements are visible when domain exists and contains 2 pages of mailboxes', async ({

src/frontend/apps/e2e/__tests__/app-desk/team.spec.ts

@@ -17,6 +17,7 @@ test.describe('Team', () => {
     ).shift();
 
     await expect(page.getByLabel('icon group')).toBeVisible();
+
     await expect(
       page.getByRole('heading', {
         name: teamName,