If user clicks on 'Keyword Tool' menu they are redirected to /kw_research page. After selecting records from the keywords list and clicking 'Save to List' button, the 'Save Keywords to List' modal is presented. Update this modal to new modal flow system.
If same list name exists as provided by the user then it shows error 'Listname already exists' and checkboxes 'Save to current list?' and 'Save as new list'. User can select both the checkboxes.