Changes to Get questionnaire questions for project and use case

added the enum value LT to the property items/ of the query request parameter countries

the response's body type changed from no type to object for status 400

the response's body type changed from no type to object for status 401

the response's body type changed from no type to object for status 500

removed subschema #1: QuestionnaireInvalidUseCaseErrorTitle subschema #2: QuestionnaireInvalidCountryErrorTitle from the response body oneOf list for the response status 400

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

added the optional property additionalInformation to the response with the 401 status

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

the response property errorCode became required for the status 401

the response property errorCode became required for the status 500

the response property message became required for the status 401

the response property message became required for the status 500

the response property resolution became required for the status 401

the response property resolution became required for the status 500

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

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

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

api operation id QuestionnaireController_getQuestions_v1 removed and replaced with RcsQuestionnaireController_getQuestions_v1