🩹(frontend) fine tuning v2.2.0

Fix minor issues:
- Add some height to the carret in the editor
- Improve css in mail templates
- Improve images resolution on homepage

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

@@ -10,7 +10,7 @@ test.describe('Header', () => {
   test('checks all the elements are visible', async ({ page }) => {
     const header = page.locator('header').first();
 
-    await expect(header.getByAltText('Docs Logo')).toBeVisible();
+    await expect(header.getByLabel('Docs Logo')).toBeVisible();
     await expect(header.locator('h2').getByText('Docs')).toHaveCSS(
       'color',
       'rgb(0, 0, 145)',