✅(frontend) update tests

Some minor changes have been integrated into the list of documents.
The tests must therefore be adapted accordingly.

src/frontend/apps/impress/src/components/__tests__/Box.spec.tsx

@@ -17,8 +17,8 @@ describe('<Box />', () => {
     );
 
     expect(screen.getByText('My Box')).toHaveStyle(`
-      padding-left: 4rem;
-      padding-right: 4rem;
+      padding-left: 2.5rem;
+      padding-right: 2.5rem;
       padding-top: 3rem;
       padding-bottom: 0.5rem;`);
   });

src/frontend/apps/impress/src/features/docs/doc-editor/components/DocEditor.tsx

@@ -1,6 +1,6 @@
 import { Alert, Loader, VariantType } from '@openfun/cunningham-react';
 import { useRouter } from 'next/router';
-import React, { useEffect, useState } from 'react';
+import { useEffect, useState } from 'react';
 import { useTranslation } from 'react-i18next';
 import * as Y from 'yjs';