multicombo: Strange behavior with newValues: true.

“multicombo” does not work correctly if the option to add new items to options is enabled.

When you try to add “test” - everything works as expected.
If you try to add “1” - multicombo does not work.

https://snippet.webix.com/o4nz4qyc

Hello @lBeJIuk,
I can confirm the issue. Thank you for reporting!