chore(PanelHeaderButton): mv TODO from v7 to v8

[inomdzhon]

• related to #7526

Описание

Не успели в v7

Release notes

-

[github-actions[bot]]

size-limit report 📦

Path	Size
JS	384.63 KB (0%)
JS (gzip)	116.33 KB (0%)
JS (brotli)	95.78 KB (0%)
JS import Div (tree shaking)	1.56 KB (0%)
CSS	337.07 KB (0%)
CSS (gzip)	42.75 KB (0%)
CSS (brotli)	33.77 KB (0%)

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[github-actions[bot]]

e2e tests

Playwright Report

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 95.47%. Comparing base (0eeffef) to head (1dd1fef). Report is 1 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #8028 +/- ## ======================================= Coverage 95.47% 95.47% ======================================= Files 393 393 Lines 11188 11188 Branches 3708 3708 ======================================= Hits 10682 10682 Misses 506 506 ``` | [Flag](https://app.codecov.io/gh/VKCOM/VKUI/pull/8028/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=VKCOM) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/VKCOM/VKUI/pull/8028/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=VKCOM) | `95.47% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=VKCOM#carryforward-flags-in-the-pull-request-comment) to find out more.

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[github-actions[bot]]

👀 Docs deployed

• ✅ Styleguide
• ✅ Storybook

Commit 1dd1fef8f505c8c84c998ad8a66acc74e7d4a8e7