Question constructor
Question({})
Implementation
Question({
required this.question,
this.singleChoice = true,
this.isMandatory = false,
this.errorText,
this.properties,
this.isNumeric = false,
this.isRating = false,
required this.isStarRating,
this.options = const [],
List<Map<String,String>>? answers,
}) : answers = answers ?? [];