Changes to Get transactions

the query request parameter latest was restricted to a list of enum values

added the new enum value false to the query request parameter latest

added the new enum value true to the query request parameter latest

for the query request parameter latest, the type was generalized from boolean to string

the code response's property type changed from number to string for status 400

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

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

added the required property requestId to the response with the 400 status

the query request parameter accountId became required

for the query request parameter latest, the type changed from string to boolean

removed the required property data/items/internal_id from the response with the 200 status