On MAC only: A dropdwonlist with itemindex -1 as preset shows the first item anyway

[Harry Stahl]

Run the attached demo. On Windows, Linux, no item is choosed in the dropdownlist. On MAC always the first item is choosed.

(Could be that is in the beta 1.65 only and not before, have not checked)

[Eugene Kryukov]

Fixed at 1.55