tooltip on button node is showed on window focus

[ijcnvv]

lib version 2 and 3

1. options by default
2. click to some button node which has tooltip
3. click to another space to make brower tab inactive
4. click to browser tab to make it focus
5. tooltip is showed

https://codesandbox.io/s/falling-framework-cjccy?file=/src/main.js

[Akryum]

Its because of the focus trigger.