"No script asset for ShadowCasterPath." warning is thrown after performing Undo action for ShadowCaster shape changes in Play Mode

Steps to reproduce:

1. Open the attached project
2. Open the SampleScene
3. Enter Play mode
4. Switch to Scene View
5. Select the Triangle object in the Hierarchy
6. Press the Edit Shape Button for the ShadowCaster2D component in the Inspector window
7. Change the ShadowCaster's shape
8. Perform an Undo action
9. Observe the Console window

Actual results: Undo action is performed correctly, however "No script asset for ShadowCasterPath. Check that the definition is in a file of the same name." warning is thrown in the Console

Expected results: No warnings or errors are thrown when performing undo/redo actions for the ShadowCaster shape in Play mode

Reproducible with versions: 6000.0.84f1, 6000.3.24f1, 6000.6.2f1, 6000.7.0b1, 7000.0.0a1

Tested on (OS): macOS 26.6.2

Notes:

• Warning is not thrown in the Edit mode