Fix issues in type ITransaction

[tkalliom]

• Use correct type: device_id, source_name
• Add missing fields: authorization_expires_at, extended_authorization_attributes, payment_details, payments_refund_attributes
• Mark fields as nullable: authorization, currency_exchange_adjustment, error_code, location_id, message, parent_id, user_id

[coveralls]

Coverage remained the same at 100.0% when pulling 1db667a2f29891006bf8fc1f905a29bb750b0fe2 on tkalliom:fix-transaction-typings into 498c2a79bafe59c9742881e68b5bd074e2938a5f on MONEI:master.

[lpinca]

Thank you.