fix: gradebook table rtl tooltip position

[vlasovmichael]

Description: Backport PR https://github.com/openedx/frontend-app-gradebook/pull/225 to open-release/maple.master.

• Fixed gradebook table arrow tooltip position in RTL direction

[openedx-webhooks]

Thanks for the pull request, @vlasovmichael! I've created OSPR-6448 to keep track of it in JIRA, where we prioritize reviews. Please note that it may take us up to several weeks or months to complete a review and merge your PR.

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[cmltaWt0]

@openedx-community-bot merge

[cmltaWt0]

@muselesscreator @leangseu-edx It seems like this this app doesn't have community bot merge workflow. Could you merge it too? Thanks!

[natabene]

@vlasovmichael Thank you for your contribution. We will try to merge soon.

[openedx-webhooks]

@vlasovmichael 🎉 Your pull request was merged! Please take a moment to answer a two question survey so we can improve your experience in the future.