Data flow scanner health check

[allisonking]

Closes #1843

Code Changes

• Update autogenerated typescript types
• Render the data flow scanner button as disabled if data flow scanning is not enabled
• Show a health indicator based on if the cluster is healthy
• Cypress tests

Steps to Confirm

• Start up the fidesplus backend with the system scanner enabled and connected
• Visit the /add-systems page and confirm that the data flow scanner button is clickable and has a green healthy indicator

• Start up the fidesplus backend with the system scanner disabled
• Visit the /add-systems page and confirm that the data flow scanner button is disabled and there is no health indicator

• Start up the fidesplus backend with the system scanner enabled but not configured properly (i.e. give yourself an invalid pixie key)
• Visit the /add-systems page and confirm that the data flow scanner button is disabled with a red unhealthy indicator

Pre-Merge Checklist

• All CI Pipelines Succeeded
• Documentation Updated:
  • documentation complete, or draft/outline provided (tag docs-team to complete/review on this branch)
  • documentation issue created (tag docs-team to complete issue separately)
• Issue Requirements are Met
• Relevant Follow-Up Issues Created
• Update CHANGELOG.md

Description Of Changes

Write some things here about the changes and any potential caveats

[TheAndrewJackson]

Just finished my initial code review. I like these changes. Just one small nit.

I'm going to run the code locally now and take a look at everything.

[TheAndrewJackson]

LGTM! The mocked out payload can be updated later if it's a hassle to fix that now