public ActionsViewModel(IActionHandler actionLoader, ISettingsHandler settingsHandler)
{
_actionLoader = actionLoader ?? throw new ArgumentException("Parameter cannot be null", nameof(actionLoader));
_settingsHandler = settingsHandler ?? throw new ArgumentException("Parameter cannot be null", nameof(settingsHandler));
var loadedActions = actionLoader.Load();
var actionsViewModels = loadedActions.Select(a => new ActionViewModel(a, SaveChanges));
_actions = new ObservableCollection <ActionViewModel>(actionsViewModels);
_isExpanded = settingsHandler.GetActionsIsExpanded();
}