Layout will calculate wrong height if toolbar with borderless true is added

If you add a toolbar with borderless: false using the addView Method the layouts height will be 1px too large.
Snippets (first number is the height of the toolbar, second height of the layout)
addView: https://snippet.webix.com/m8w4z63q
toolbar added inside config: https://snippet.webix.com/wnbqz8oq