FIX: AggregateInversionSolution missing from FileUnion error

[chrisbc]

in TEST {"id": "QXV0b21hdGlvblRhc2s6MTAxMTM2"}

query AutomationTaskQuery($id: ID!) {
  node(id: $id) {
    id
    ... on AutomationTask {
      id
      duration
      created
      result
      state
      task_type
      model_type
      files {
        edges {
          node {
            role
            file {
              __typename
              ... on Node {
                id
              }
              ... on FileInterface {
                file_name
                file_url
              }
            }
          }
        }
      }
      arguments {
        k
        v
      }
      environment {
        k
        v
      }
      metrics {
        k
        v
      }
      parents {
        edges {
          node {
            parent {
              ... on GeneralTask {
                id
              }
            }
          }
        }
      }
    }
  }
}