keyPressTimeout doesn't work as expected

If you try to initialise the keyPressTimeout to a value greater than 50 and press the backspace key, it will not work.
If you try the same thing without keyPressTimeout, it will work.

https://imgur.com/a/ldYf8Ve

https://snippet.webix.com/4wkylc6e

Hello @lBeJIuk,

I report this as bug, thank you! Il will be fixed soon :slight_smile: