AdGuard Assistant not shown on sites in IE11

[BlazDT]

When opening the following sites in Internet Explorer 11 the Assistant is not shown, in Chrome it is shown:

https://www.naver.com
https://www.daum.net

Rules to the sites are applied though (tested with ##body).

When checking in console I see over 30 errors with:

This object does not support this property or method "includes". When clicking the location it points to local.adguard.com and this code snippet (I cannot find that code section in a filter rule though):

return r},a=function(){return Date.now()-n};return{isIgnoredEventType:function(){return e.includes(s())&&a()<10}}}(),w=[],N

[ameshkov]

Issue moved to AdguardTeam/CoreLibs #901 via ZenHub