Steps to repro:

1. Open attached project and 'test' scene;
2. Select WindZone gameobject in the Hierarchy;
3. Observe Mode field in the Inspector.

Expected result:
'Mode' is displayed like a dropdown list (see attached expected.png screenshot).

Actual result:
'Mode' is shown like a text field, making it unclear which number is for directional and which for spherical windzone type.

Regression introduced in 2017.2.0b1.

Notes:
- Reproducible in 2017.2.0b7, 2017.2.0b1;
- Not reproducible in 2017.3.0a4, 2017.2.0a4, 2017.1.0p3, 5.6.1p2;
- Reproducible on Windows 10 and OSX 10.12.5.