https://snippet.webix.com/gzkzg67a
I think i click icon:“mdi mdi-arrow-expand”, the panel full screen.
https://snippet.webix.com/7qszc0if
it can fullscreen,but when it exit fullscreen,i think toolbar is show.
https://snippet.webix.com/k2mei35c
it can show toolbar,But borderline is not show.