Ability to save a list with an existing title

Steps:

1. Go to "https://sandbox.genesys-pgr.org/welcome";
2. Click "Browse" menu item;
3. Mark check-boxes of some accessions;
4. Click "My List" menu item;
5. Navigate to "Accession List" tab;
6. Enter an existing Title list;
7. Click "CREATE NEW LIST" button;

Act.res.: List of accessions has been saved with an existing title.