Issue 2497/duplicate list from list page

[cecilfrahusum]

Description

This PR adds an option in the ellipsis menu for duplicating a list from the single-list page. When 'Duplicate' is clicked, the list is duplicated, and the user is redirected to the page of the new list.

Screenshots

The option 'Duplicate' in the ellipsis menu:

The page of the copied list:

Changes

• Fixes bug "Duplicate list" not in list menu #2497 by adding an option to duplicate a list from the single-list page

Notes to reviewer

1. Go to https://app.dev.zetkin.org/organize/1/people and sign in as [email protected]
2. Click on "Create"
3. Create a list
4. Add some people and columns
5. Click the ellipsis menu in the top right
6. Click 'Duplicate' from the menu
7. See that a duplicate is created and you are redirected to the page of the new list.

Related issues

Resolves #2497