Fix wrapping of k8s api messages

[sleshchenko]

What does this PR do?

Fix wrapping of k8s API messages.
The example response:

{
  "response": {
    "statusCode": 422,
    "body": {
      "kind": "Status",
      "apiVersion": "v1",
      "metadata": {},
      "status": "Failure",
      "message": "customresourcedefinitions.apiextensions.k8s.io 'checlusters.org.eclipse.che' is invalid: metadata.resourceVersion: Invalid value: 0x0: must be specified for an update",
      "reason": "Invalid",
      "details": {
        "name": "checlusters.org.eclipse.che",
        "group": "apiextensions.k8s.io",
        "kind": "customresourcedefinitions",
        "causes": [
          {
            "reason": "FieldValueInvalid",
            "message": "Invalid value: 0x0: must be specified for an update",
            "field": "metadata.resourceVersion"
          }
        ]
      },
      "code": 422
    },
    "headers": {
      "cache-control": "no-store",
      "content-type": "application/json",
      "date": "Thu, 10 Oct 2019 14:53:54 GMT",
      "content-length": "536",
      "connection": "close"
    },
    "request": {
      "uri": {
        "protocol": "https:",
        "slashes": true,
        "auth": null,
        "host": "192.168.99.104:8443",
        "port": "8443",
        "hostname": "192.168.99.104",
        "hash": null,
        "search": null,
        "query": null,
        "pathname": "/apis/apiextensions.k8s.io/v1beta1/customresourcedefinitions/checlusters.org.eclipse.che",
        "path": "/apis/apiextensions.k8s.io/v1beta1/customresourcedefinitions/checlusters.org.eclipse.che",
        "href": "https://192.168.99.104:8443/apis/apiextensions.k8s.io/v1beta1/customresourcedefinitions/checlusters.org.eclipse.che"
      },
      "method": "PUT",
      "headers": {
        "authorization": "",
        "Authorization": "Bearer er6HSqM1Y1BlJOMSrCBfppDVZKk_EYLf38AcXpsgnU4",
        "accept": "application/json",
        "content-type": "application/json",
        "content-length": 334
      }
    }
  },
  "body": {
    "apiVersion": "v1",
    "kind": "Status",
    "metadata": {},
    "status": {}
  }
}

What issues does this PR fix or reference?

It's related but not sure that fixes fully eclipse-che/che#14665