Shadows are not rendered smoothly when Shadows Cascade Count is set to 3 or 4

Reproduction steps:
1. Open the attached “BugRepro” project
2. Open the “Assets/Scenes/SampleScene.unity“ Scene
3. Zoom in and out in the Scene view
4. Observe the shadows

Expected result: Shadows should transition smoothly without visible artifacts
Actual result: Shadows exhibit blocky artifacts and some parts of the shadows get cut off

Reproducible with: 2021.3.42f1, 2022.3.41f1, 6000.0.14f1

Reproducible on: Windows 11
Not reproducible on: No other environment tested