Missing SCROLLBAR

Based on https://snippet.webix.com/e8825d05 I redefine
the layout with: webix.ui([…]), $$(“dashboard”));
and I have lost the scrollbar:

https://snippet.webix.com/vgd20wda

Can you help me fix this please?

Thank you!

Got the solution from the (great) Webix support team.
Thank you again!

Hello, @FrankVogel

Please, check the snippet here Code Snippet
That is not a direct solution, but might become useful