docs: function showNewDialogPopup() {
    $("#add_new_dialog").modal("show");
    $('#add_new_dialog .progress').hide();
  
    // get and show users
    retrieveUsersForDialogCreation(function(users) {
      if(users === null || users.length === 0){
        return;
      }
      $.each(users, function(index, item){
        showUsers(this.user.login, this.user.id);
      });
    });
  
    setupUsersScrollHandler();
  }