feat(collapse): change icon to css

[denisx]

Опишите проблему

Парные иконки заменены на одну иконку и css-rotate

Внешний вид

Без изменений
https://core-ds.github.io/core-components/feat_ds_7758_40_1a7856f854b38680118620a9bdb86861df754694/?path=/docs/collapse--docs

[changeset-bot]

🦋 Changeset detected

Latest commit: 82d7be0

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@alfalab/core-components-collapse	Patch

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[core-ds-bot]

Bundle size report

Entry point	Size (minified)
collapse/index.js	16.4 (-0.50 KB💚)

[core-ds-bot]

Собрана новая демка.

[SiebenSieben]

@Oladii

[coveralls]

Pull Request Test Coverage Report for Build 12706978678

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.004%) to 82.311%

---

Totals
Change from base Build 12687195203:	-0.004%
Covered Lines:	10743
Relevant Lines:	11909

---

💛 - Coveralls

[core-ds-bot]

Собрана новая демка.

[denisx]

@Oladii скрины прошли, с тебя нужен чек?

[denisx]

@SiebenSieben plz