Update the API contract for GET users/status

[Maheima]

The API contract needs to be changed to

{
   "id": "String",
  "userId": "String",
  "first_name": "String",
  "Last_name": "String",
  "picture": {
            "publicId": "String",
            "url": "String"
        },
  "status": {
          "until":"TimeStamp",
          "updatedAt": "TimeStamp",
          "state": "String",
          "message": "String",
          "from": "TimeStamp"
       },
  "monthlyHours": {
        "committed": "Integer",
        "updatedAt": "TimeStamp"
      }
  }