[2D] [Sprite Shape] Corner setting for Sprite Shape Controller is not functioning

- open any SampleLevel scene in attached project
- select a Sprite Shape Controller from the Hierarchy and chose Edit Spline in the Inspector
- click on a Point on the Sprite Shape so the Corner toggle appears for the Sprite Shape Controller in the Inspector
- change the Corner setting from Disabled to Automatic

Actual result: No Corner Sprite appears
Expected result: The Corner Sprite appears automatically