*Steps to reproduce:*
# Open the attached project
# Open TestDocument.uxml in the UI Builder
# Select the VisualElement in the Hierarchy
# Create a new Selector using the Style Class List section

*Actual results:* The Inspector panel flickers after the new selector is created

*Expected results:* No flicker occurs after the selector is created

*Reproducible with versions:* 2023.2.0a18, 6000.0.38f1, 6000.1.0b6, 6000.2.0a3

*Not reproducible with versions:* 2022.3.58f1, 2023.2.0a17

*Tested on (OS):* macOS 15.3, Ubuntu 24.04

*Notes:*
* Inspector does not flicker when performing Undo/Redo for the creation action