Fix kiali selenium tests setup KeyError: 'Kiali core version'

E[E] [kiali_qe/fixtures/log.py:67] @pytest.fixture(scope='session')
    def kiali_client():
        logger.debug('Creating kiali rest client')
        logger.debug('Kiali hostname: {}'.format(cfg.kiali.hostname))
        _client = KialiExtendedClient(hostname=cfg.kiali.hostname,
                                      username=cfg.kiali.username,
                                      password=cfg.kiali.password,
                                      auth_type=cfg.kiali.auth_type,
                                      token=cfg.kiali.token,
                                      swagger_address=cfg.kiali.swagger_address)
        # update kiali version details
        _response = _client.get_response('getStatus')
        _status = _response['status']
>       cfg.kiali.version.core = _status['Kiali core version']
E       KeyError: 'Kiali core version'

{
  "status": {
    "Kiali commit hash": "80cd9dd7ef3ec825bc88213d133dca71011428ea",
    "Kiali container version": "v1.50.0-SNAPSHOT",
    "Kiali state": "running",
    "Kiali version": "v1.50.0-SNAPSHOT",
    "Mesh name": "Istio",
    "Mesh version": "1.13.3"
  },
  "externalServices": [
    {
      "name": "Istio",
      "version": "1.13.3"
    },
    {
      "name": "Prometheus",
      "version": "2.31.1"
    },
    {
      "name": "Kubernetes",
      "version": "v1.23.5+1f952b3"
    },
    {
      "name": "Grafana",
      "url": "http://grafana-istio-system.apps.ocp4-kqe-auto1.maistra.upshift.redhat.com"
    },
    {
      "name": "Jaeger",
      "url": "http://tracing-istio-system.apps.ocp4-kqe-auto1.maistra.upshift.redhat.com/jaeger"
    }
  ],
  "warningMessages": [],
  "istioEnvironment": {
    "isMaistra": false
  }
}