Library Tree shows all library datasets in all library tree items

[AndrewTwydell]

Describe the bug

When expanding a library resource, all library datasets (from all libraries) are listed, not just those in that library.

Expected and actual results

Should only list datasets in that library

[github-actions]

Thank you for creating a bug report.
We will investigate the bug and evaluate its impact on the product.
If you haven't already, please ensure you have provided steps to reproduce the bug and as much context as possible.