Reproduction Steps:
1. Open the attached "Bug Report Sprite Animation Masking.zip" project
2. Open the "SampleScene" Scene
3. Enter the Play mode
4. Select the "Worker" GameObject from the Hierarchy
5. In the Sprite Renderer Component change the “Mask Interaction” to “Visible Inside Mask”
6. Change the “Mask Interaction” back to “None”
7. In the “Worker Controller” Script Component toggle "Has Log" property

Expected Result: Animation changes to the “Worker” GameObject carrying a log
Actual Result: Animation does not change

Reproducible with: 6000.0.32f1, 6000.0.33f1, 6000.1.0b1
Not reproducible with: 2021.3.47f1, 2022.3.55f1, 6000.0.31f1

Reproducible with: Windows 10, macOS (User reported), Windows 11
Not reproducible on: No other environment tested

Notes:
- The Sprite reference in the Sprite Renderer changes, however the change is not reflected in the Scene
- Changing the Shading Mode in the Scene view to "Shaded Wireframe Draw Mode" also shows that the Sprite border has changed