[BUG] Front-end validation implementation for character-limited fields (max 512)

[mjabascal10]

When attempting to create an incident response, it allows adding a description with more than 512 characters, triggering a backend validation error upon saving.

To Reproduce

Steps to reproduce the behavior:

1. Go to 'Incidents/ Incident Response Automation' menu
2. Click on 'Create automation'
3. Enter a description greater than 512 characters
4. Save
5. See error

Expected behavior

"It's necessary to implement frontend validation to restrict descriptions to 512 characters or fewer when creating an incident response."

Screenshots