Large-ish float error margins when using the Rect Tool to rotate a 3D Object

Steps to reproduce:
1. Open the attached project
2. Switch to the Rect Transform tool
3. Select the Cube in Scenes/SampleScene.unity
4. Rotate it using the Rect Transform tool
5. See the values printed in the console

Expected result: rotations on unaffected axes are closer to the nearest 0 or 180 degree value
Actual result: rotation values on unaffected axes are quite far from the nearest rounding point

Note: The same issue does not appear when using the Rotate Tool to rotate on a single axis.

Reproducible with: 2019.4.36f1, 2021.1b13, 2022.2.0a10