@AutoPayloadType(description = "The created event, if present")
suspend fun addIssueToTrackable(input: AddIssueToTrackableInput, dfe: DataFetchingEnvironment): AddedToTrackableEvent?

Adds an Issue to a Trackable, requires MANAGE_ISSUES on the Trackable the Issue should be added to, and EXPORT_ISSUES on any Trackable the Issue currently is on. If the Issue is already on the Trackable, no event is created.