Changes to List all billing entities

the response property billing_entities/items/eu_tax_management became nullable for the status 200

added the new SYP enum value to the billing_entities/items/default_currency response property for the response status 200

added the new TND enum value to the billing_entities/items/default_currency response property for the response status 200

added the new undefined enum value to the billing_entities/items/country response property for the response status 200

removed the non-success response with the status 422

the response property billing_entities/items/address_line1 became required for the status 200

the response property billing_entities/items/address_line2 became required for the status 200

the response property billing_entities/items/city became required for the status 200

the response property billing_entities/items/country became required for the status 200

the response property billing_entities/items/document_number_prefix became required for the status 200

the response property billing_entities/items/email became required for the status 200

the response property billing_entities/items/email_settings became required for the status 200

the response property billing_entities/items/eu_tax_management became required for the status 200

the response property billing_entities/items/invoice_footer became required for the status 200

the response property billing_entities/items/is_default became required for the status 200

the response property billing_entities/items/legal_name became required for the status 200

the response property billing_entities/items/legal_number became required for the status 200

the response property billing_entities/items/logo_url became required for the status 200

the response property billing_entities/items/state became required for the status 200

the response property billing_entities/items/subscription_invoice_issuing_date_adjustment became required for the status 200

the response property billing_entities/items/subscription_invoice_issuing_date_anchor became required for the status 200

the response property billing_entities/items/tax_identification_number became required for the status 200

the response property billing_entities/items/zipcode became required for the status 200

added the required property billing_entities/items/einvoicing to the response with the 200 status

added the required property billing_entities/items/phone to the response with the 200 status