Changes to Mark billing invoice paid

added the optional property data/terms/allOf[subschema #1: BillingInvoiceTermsResponseData]/billing_details to the response with the 200 status

the response property data/lines/items/id became nullable for the status 200

the response property data/settlements/items/id became nullable for the status 200

the response property data/lines/items/id became optional for the status 200

the response property data/settlements/items/id became optional for the status 200

added the optional property data/lines/items/external_id to the response with the 200 status

added the optional property data/pdf_url to the response with the 200 status

added the required property data/discount to the response with the 200 status

added the required property data/tax to the response with the 200 status

the response property data/contract_id became nullable for the status 200

the response property data/document_state became nullable for the status 200

the response property data/period_end became nullable for the status 200

the response property data/period_start became nullable for the status 200

the response property data/contract_id became optional for the status 200

the response property data/document_state became optional for the status 200

the response property data/period_end became optional for the status 200

the response property data/period_start became optional for the status 200

the data/document_state response's property type changed from string to no type for status 200

api operation id markNativeInvoicePaid removed and replaced with markBillingInvoicePaid

added the optional property data/external_id to the response with the 200 status

added the optional property data/lines/items/description to the response with the 200 status

added the optional property data/subscription_external_id to the response with the 200 status

added the optional property data/subscription_id to the response with the 200 status

added the optional property data/url to the response with the 200 status

added InvoiceDocumentState to the data/document_state response property allOf list for the response status 200

removed the credited enum value from the data/document_state response property for the response status 200

removed the draft enum value from the data/document_state response property for the response status 200

removed the finalized enum value from the data/document_state response property for the response status 200

removed the void enum value from the data/document_state response property for the response status 200

added the required property data/provider_type to the response with the 200 status

endpoint added