Describe the bug
The overview tab for Fleet Server integration is empty

Build Details:

Version: 7.12.0 BC4 Commit: 99ac38d70e426f589bb61a034c96e602d759cfab Build number: 39242 Artifact: https://staging.elastic.co/7.12.0-336ff10d/summary-7.12.0.html 

Browser Details
All

Preconditions

1. Elastic Cloud 7.12.0 environment should be deployed

Steps to Reproduce

1. Navigate to the Integrations tab under fleet
2. Select the Fleet Server integration
3. Observe the overview page is empty.

Test data
N/A

Impacted Test case(s)
N/A

Actual Result
The overview tab for Fleet Server integration is empty

Expected Result
The overview tab for Fleet Server integration should show related details

What's Working
Works for other integrations:

What's not Working
N/A

Screenshot

Logs
N/A