message: Invoice item type is not returned after create
diff: @@ -68,7 +68,9 @@ pub struct InvoiceItem {
  pub quantity: Option<u64>,
  pub subscription: Option<String>,
  pub subscription_item: Option<String>,
  - #[serde(rename = "type")] pub item_type: String, // (invoiceitem, subscription)
  + #[serde(default)] // NOTE: Missing in response to InvoiceItem create
  + #[serde(rename = "type")]
  + pub item_type: String, // (invoiceitem, subscription)
  }
  /// The resource representing a Stripe invoice.
  