'Search field' not updating while edit/delete strings

[saralavanip]

Steps:

1.Visit https://apinf.io
2.Sign in
3.Select 'API Backends' from menu
4.Click on 'Add API Backends'
5.Go to 'Manage API backends'
6.Click on 'View' button
7.Click on 'View usage instructions'
8.Click on the link for 'profile page' and copy the API key
9.Click on the link given for making API call
10. Add the Frontend prefix and API key
11.Select 'Analytics' from menu
12.Go to search field
13.Enter search strings
14.Edit/delete strings

Result: Search field not updating while editing / deleting strings

Screenshots: