tickets schema missing fields

[HarrisonMarcRose]

The following fields are available from the API but not included in the schema.

• name: "problem_id"
  type: "integer" (optional)
  description: "For tickets of type incident, the ID of the problem the incident is linked to"

• name: "forum_topic_id"
  type: "integer" (optional)
  description: "The topic this ticket originated from, if any"

• name: "satisfaction_rating"
  type: "object" (optional)
  description: "The satisfaction rating of the ticket, if it exists, or the state of satisfaction, offered or unoffered"