Thank you for reporting a bug to Unity.
After reviewing the behavior, we've confirmed it aligns with the current design and intended use of the feature. We understand this may differ from your expectations or workflow.
We will close this case as 'As Designed.' If you have feedback on how the feature could better meet your needs, please let us know - we value your input and consider it in future improvements.
Additional information:
When using the ListView, if you set the `binding-source-selection-mode` to AutoAssign, it will set the data source (itemsSource) and data source path (index) of each individual item being displayed on the first visual element related to the item. In your case, you are using `makeItem` with a non-reorderable ListView, so the data source and data source path will be assigned the element returned by cloning the VisualTreeAsset, which will be a TemplateContainer and not the TextField.