* backport of commit 9ce9d3c5b0
* backport of commit e75b8148ab
* backport of commit 6f026f18f0
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Co-authored-by: John Murret <john.murret@hashicorp.com>
* NET-5879 - move the filter for non-passing to occur in the health RPC layer rather than the callers of the RPC
* fix import of slices
* NET-5879 - expose sameness group param on service health endpoint and move sameness group health fallback logic into HealthService RPC layer
* fixing deepcopy
* fix license headers