adding tenantId field in model group index

[dhrubo-os]

Description

[Describe what this change achieves]

Related Issues

Resolves #[Issue number to be closed when this PR is merged]

Check List

• New functionality includes testing.
• New functionality has been documented.
• API changes companion pull request created.
• Commits are signed per the DCO using --signoff.
• Public documentation issue/PR created.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[dbwiddis]

LGTM with a nit.

[dbwiddis]

Note to self as a reminder. When we eventually get this on main we'll have to make sure there aren't any other conflicting schema updates.

[dhrubo-os]

+1

[dbwiddis]

This works 'cause it's valid JSON, but all the other strings (see MlModelGroup.ACCESS right below) do the "pretty" JSON equivalent. Might want to be consistent.

[dhrubo-os]

{
    "took": 11,
    "timed_out": false,
    "_shards": {
        "total": 1,
        "successful": 1,
        "skipped": 0,
        "failed": 0
    },
    "hits": {
        "total": {
            "value": 1,
            "relation": "eq"
        },
        "max_score": 1.0,
        "hits": [
            {
                "_index": ".plugins-ml-model-group",
                "_id": "k7BBoJEBmupm26gNRc4D",
                "_score": 1.0,
                "_source": {
                    "name": "Cohere embedding normal",
                    "latest_version": 1,
                    "description": "embedding sagemaker model",
                    "access": "public",
                    "created_time": 1724970517643,
                    "last_updated_time": 1724970517930,
                    "tenant_id": "1234567"
                }
            }
        ]
    }
}

This is mapping I got after making this change. Seems like similar?