Add ability to “query” for a given relationship

[rocktavious]

Resolves #

Problem

Terraform needs the ability to query for a relationship by ID so that it can detect drift. This is not currently possible

Solution

Make this possible.

Checklist

• I have run this code, and it appears to resolve the stated issue.
• This PR does not reduce total test coverage
• This PR has no user interface changes or has already received approval from product management to change the interface.
• Does this change require a Terraform schema change?
  • If so what is the ticket or PR #
• Make a changie entry that explains the customer facing outcome of this change

[rocktavious]

@derek-etherton-opslevel tests are failing because the main branch is broken due to some other fixes i pushed for Terraform.