Refactored `GetChildren` so that it reuses `GetDescendants` method. Modified `GetDescendants` as it was casting the `IEnumerable` to a `List`, which was then cast back to an `IEnumerable`.
Refactored `GetChildren` so that it reuses `GetDescendants` method.
Modified `GetDescendants` as it was casting the `IEnumerable` to a `List`, which was then cast back to an `IEnumerable`.

the-outfield/karbon-cms,fabiofranzini/karbon-cms,the-outfield/karbon-cms