/// <summary>
/// Marks the context as modified and sends the event to the parent context.
/// </summary>
/// <param name="graphEdited">True if graph has been edited (nodes structure or parameter value). Otherwise just UI elements has been modified (node moved, comment resized).</param>
public void MarkAsModified(bool graphEdited = true)
{
_isModified = true;
Modified?.Invoke(this, graphEdited);
Parent?.MarkAsModified(graphEdited);
}
