form - disabled element and focus

in https://docs.webix.com/desktop__uimanager.html
there is comment:

$$("form").focus(); //the first focusable element in the form is focused

but after disabling first element focus on form does not work:
https://snippet.webix.com/47p5yjbp

Hello,

Indeed, the Form doesn’t search for a focus target if the first control in it is disabled. Thank you for pointing it out - the fix will be available as a part of the next update.