Describe the bug
WF| In 'Add Check' value event, column 'is' should be mandatory to select and user should not be able to select anything from 'Something' dropdown until then

for further information please check following link
https://sourcefuse.atlassian.net/jira/software/c/projects/OPX/issues/OPX-9663

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots
If applicable, add screenshots to help explain your problem.

Additional context
Add any other context about the problem here.