Select Scriptable Object window freezes and becomes unresponsive when currently opened UXML Template is selected for binding's Data Source

Steps to reproduce:

1. Create a new Unity project using the Universal 3D template
2. Create a new UI Document (Assets > Create > UI Toolkit > UI Document (UXML))
3. Open the newly created UI Document
4. Add a Visual Element from the Library
5. Click the burger button for any of the Attributes and select "Add Binding..."
6. Select "NewUXMLTemplate" for the Data Source
7. Click the "Ok" button
8. Observe the Select Scriptable Object window

Actual results: The Select Scriptable Object window is frozen and unresponsive

Expected results: The Select Scriptable Object window is responsive so that the user can select a different object

Reproducible with versions: 6000.0.0f1, 6000.0.75f1, 6000.3.16f1, 6000.4.8f1, 6000.5.0b9, 6000.6.0a5

Tested on (OS): MacOS Silicon Tahoe 26.3

Notes:

• Closing and reopening the Select Scriptable Object window fixes the issue