Changes to Get a single Transaction

added the new TRAD enum value to the allOf[subschema #2]/instant_payment/allOf[subschema #1]/purpose_of_payment response property for the response status 200

added the optional property allOf[subschema #2]/ach/allOf[subschema #1]/allOf[subschema #2]/original_trace_number to the response with the 200 status

the allOf[subschema #2]/ach/allOf[subschema #1]/allOf[subschema #2]/addenda response's property pattern was changed from ^.{1,80}$ to ^[^\r\n]{1,80}$ for the status 200

added schema subschema #1 subschema #2 to the response body allOf list for the response status 200

removed schema subschema #1 subschema #2 from the response body allOf list for the response status 200