## Is your feature request related to a problem?

I want to run experiments on groups

## Describe the solution you'd like

Experiments support group target metrics, and the FF respects group selection.


## Describe alternatives you've considered

No groups :(

## Additional context



#### *Thank you* for your feature request – we love each and every one!

ee/clickhouse/views/test/test_clickhouse_experiments.py
ff_key = "a-b-tests"
        response = self.client.post(
            f"/api/projects/{self.team.id}/experiments/",
            {
                "name": "Test Experiment",
                "description": "",
                "start_date": None,
                "end_date": None,
                "feature_flag_key": ff_key,
                "parameters": {},
                "filters": {"events": []},
            },
        )
        id = response.json()["id"]
        created_ff = FeatureFlag.objects.get(key=ff_key)
        self.assertEqual(created_ff.key, ff_key)
        self.assertFalse(created_ff.active)
        
        response = self.client.patch(
            f"/api/projects/{self.team.id}/experiments/{id}", {"description": "Bazinga", "filters": {},},
        )
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        created_ff = FeatureFlag.objects.get(key=ff_key)