Hide scrolled layout bug

Bug when deleting a table that scrolls to the maximum right position.

https://snippet.webix.com/920hrafe

Hello @lBeJIuk,
In such case, we recommend to delete the table first and then hide the button: https://snippet.webix.com/bsjjqiq9
For now, we consider this sequence of events to be true and safe.
However, we will examine the situation for bugs in the near future.