Steps to reproduce:

1. Open a Unity URP project
2. Create a new Shader Graph Asset via Create > Shader Graph > URP > Lit Shader Graph
3. Open your new Shader Graph asset by double clicking on it
4. Ensure that both the Blackboard and Graph Inspector are toggled on (should be by default)
5. Create a new float property with the + icon on blackboard
6. Select the new Float property so it's settings show up in the Graph Inspector
7. Change the Default Value from 0 to 2.45
8. Use the keyboard shortcut Ctrl + Z to undo

Actual results: The property is deselected from the Graph Inspector

Expected results: The property is still selected in the Graph Inspector

Reproducible with versions: 

• 6000.0.12f1
• 2022.3.39f1
• 2022.2.0a9

Not reproducible with versions: 

• 2022.2.0a8
• 2022.1.24f1
• 2022.1.0b1
• 2021.3.40f1

Can’t test with versions: -

Tested on (OS): Windows 11

Notes: -