Changes to Create Engagements

removed the enum value CALL of the request property type

removed the enum value EMAIL of the request property type

removed the enum value INBOUND of the request property direction

removed the enum value MEETING of the request property type

removed the enum value OUTBOUND of the request property direction

removed the CALL enum value from the type response property for the response status 201

removed the EMAIL enum value from the type response property for the response status 201

removed the INBOUND enum value from the direction response property for the response status 201

removed the MEETING enum value from the type response property for the response status 201

removed the OUTBOUND enum value from the direction response property for the response status 201