getSubCommentTime method
Implementation
String getSubCommentTime(int mainComentIndex ,int subCommentId){
int deff = 0;
DateTime currentTime = DateTime.now();
var commentTime = listOfComments[mainComentIndex].replies[subCommentId].commentedDate;
var difference = currentTime.difference(commentTime);
deff = difference.inMinutes;
return "${deff}m";
}