`slideThumbActiveClass` class not applying correctly

[rtabulov]

Check that this is really a bug

• [X] I confirm

Reproduction link

https://codesandbox.io/s/admiring-sound-4itrll

Bug description

slideThumbActiveClass class just disappears

• when thumb swiper automatically scrolls to keep active thumb visible
• when you scroll through thumb swiper manually

help pls!!!!!

Expected Behavior

No response

Actual Behavior

No response

Swiper version

8.0.6

Platform/Target and Browser Versions

chrome, firefox

Validations

• [X] Follow our Code of Conduct
• [X] Read the docs.
• [X] Check that there isn't already an issue that request the same feature to avoid creating a duplicate.
• [X] Make sure this is a Swiper issue and not a framework-specific issue

Would you like to open a PR for this bug?

• [X] I'm willing to open a PR

[rtabulov]

just tried the same demo with react - the problem still occurs https://codesandbox.io/s/vigorous-satoshi-vm2lkw

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[everythinginjs]

same issue with react on v10.0.4.

[nolimits4web]

Issue is closed because of outdated/irrelevant/not actual/needed more information/inactivity.

If this issue is still actual and reproducible for latest version of Swiper, please create new issue and fill the issue template correctly:

• Clearly describe the issue including steps to reproduce when it is a bug.
• Make sure you fill in the earliest version that you know has the issue.
• Provide live link or JSFiddle/Codepen or website with issue