Keyboard: Switch between views does not work on MacOS

[fgeierst]

On Windows, you can switch between Day/Week/Month using the alt+1|2|3 keys. This does not work on MacOS.

Testet on the demo page https://docs.dhtmlx.com/scheduler/samples/13_accessibility/01_regular_skin_all_views.html with Chrome.

Compare https://docs.dhtmlx.com/scheduler/keyboard_navigation.html