“Data Source Type” label is missing from the UI Builder Inspector window when Data Source is set to “Type”

Steps to reproduce:
1. Create new Unity project
2. Open UI Builder window
3. Add Visual Element in Hierarchy window
4. Change Data Source to “Type” in Inspector
5. Observe the Data Source Path field

Actual results: “Data Source Type” label is missing from the Inspector
Expected results: “Data Source Type” label is visible in the Inspector

Reproducible with versions: 6000.5.0a7 (0841031ff752), 6000.5.0b4, 6000.6.0a3
Not reproducible with versions: 6000.4.3f1, 6000.5.0a6 (07a4e6f4c5c6)

Tested on (OS): macOS Silicon Tahoe 26.4 (M1)

Notes:

• when undoing/redoing Type selection with keyboard shortcuts, “Data Source Type" label appears flickering