Error "Step Offset must be positive" is thrown when CharacterController Step Offset value is set to 0

How to reproduce:
1. Create and open a new project
2. In the Hierarchy select any object and attach a “Character Controller” Component
3. In the “Step Offset” field insert value 0
4. Observe the Console

Actual result: An error is thrown: “Step Offset must be positive.”
Expected result: No error is thrown

Reproducible with: 6000.2.0a7, 6000.3.1f1, 6000.4.0b1, 6000.5.0a3
Not reproducible with: 6000.0.64f1, 6000.2.0a6

Reproducible on: macOS Tahoe 26.1
Not reproducible on: no other environments tested