Changes to Retrieve an onboarding application

the customer_type response's property type changed from no type to string for status 200

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

added the new business enum value to the customer_type response property for the response status 200

added the new completed enum value to the status response property for the response status 200

added the new individual enum value to the customer_type response property for the response status 200

added the new joint enum value to the customer_type response property for the response status 200

added the new pending enum value to the status response property for the response status 200

added the new processing enum value to the status response property for the response status 200

removed CustomerType from the customer_type response property allOf list for the response status 200

removed OnboardingApplicationStatus from the status response property allOf list for the response status 200

response property context/additionalProperties/ list-of-types was widened by adding types array to media type application/json of response 400

api tag onboarding added