public void AddOrUpdateFolderItem(FolderItem item)
{
if (FolderCollection.Contains(item))
{
int sourceIndex = FolderCollection.IndexOf(item);
FolderCollection.Remove(item);
FolderCollection.Insert(sourceIndex, item);
if (CurrentSelectedFolder != null && CurrentSelectedFolder.Equals(item))
{
CurrentSelectedFolderChanged?.Invoke(this, item);
}
IsFolderListChanged = true;
}
else
{
FolderCollection.Add(item);
IsFolderListChanged = true;
}
}