Draft: Migrate milestone empty state

Screenshots or screen recordings

Before	After

How to set up and validate locally

1. Create a new project within flightjs

2. Go to /flightjs/your-project-name/-/milestones

3. See empty state

4. Go to /admin/users/

5. Choose any user with 0 projects and 0 groups, for example /admin/users/reported_user_9

6. Click [Impersonate] in the right top corner of the page

7. Go to /dashboard/milestones

8. See empty state

9. Click on the person with a hat and the glasses icon near the user avatar in the menu bar to go back to the admin

#430246 (closed)