Bug Tabbar Grid KeyNavigation

if i have
Layout > Tabbar > Grid
KeyNavigation not work !!!

Layout > Grid
work

Layout > Layout > Grid
work

It seems it is a tabbar problem when tabbar is in Layout.

this was in 7.1.8 no problem but in 7.1.9

https://snippet.dhtmlx.com/h0tqz80y

Thank you for your report.
The problem is confirmed. We’ll try to fix it in one of the future updates.

Hello.
Your reported problem was fixed in the dhx.Suite 7.2.4 update.
Now the key navigation should work well.
You can check it in your original snippet:
https://snippet.dhtmlx.com/h0tqz80y