Changes to Get subscription entitlements

added the new config enum value to the features/items/feature/type response property for the response status 200

added the optional property features/items/entitlement/config_values to the response with the 200 status

added the optional property features/items/sources/items/config_value to the response with the 200 status

removed the optional property details from the response with the 400 status

removed the optional property details from the response with the 404 status

removed the optional property details from the response with the 500 status

added the new too_many_requests enum value to the code response property for the response status 400

added the new too_many_requests enum value to the code response property for the response status 404

added the new too_many_requests enum value to the code response property for the response status 500

added the new ONETIME enum value to the features/items/sources/items/usage_reset_period response property for the response status 200

removed the optional property error from the response with the 400 status

removed the optional property error from the response with the 404 status

removed the optional property error from the response with the 500 status

removed the optional property success from the response with the 400 status

removed the optional property success from the response with the 404 status

removed the optional property success from the response with the 500 status

added the optional property code to the response with the 400 status

added the optional property code to the response with the 404 status

added the optional property code to the response with the 500 status

added the optional property details to the response with the 400 status

added the optional property details to the response with the 404 status

added the optional property details to the response with the 500 status

added the optional property http_status_code to the response with the 400 status

added the optional property http_status_code to the response with the 404 status

added the optional property http_status_code to the response with the 500 status

added the optional property message to the response with the 400 status

added the optional property message to the response with the 404 status

added the optional property message to the response with the 500 status

endpoint added