🚸(frontend) set cursor after create comments

We have some issues with mobiles and the formatting
toolbar reopening after adding a comment, so we
restore the cursor position.
By restoring the cursor position at the head of
the selection, it will automatically close the
formatting toolbar.

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

@@ -394,6 +394,8 @@ test.describe('Doc Comments mobile', () => {
     await thread.getByRole('paragraph').first().fill('This is a comment');
     await thread.locator('[data-test="save"]').click();
     await expect(thread.getByText('This is a comment').first()).toBeHidden();
+    // Check toolbar is closed after adding a comment
+    await expect(page.getByRole('button', { name: 'Paragraph' })).toBeHidden();
 
     await editor.first().click();
     await editor.getByText('Hello').click();