[CCUBE-2278][V3] add control mode for accordion item

[qroll]

Type of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing apis or functionality to change)
• Documentation (change to documentation, comments or API descriptions)
• Tests (improvements to unit tests or E2E tests)
• Other (technical improvements, refactoring, or changes that don't fall into the above categories)

Description of changes

• Link to ticket
• Cherry picks [CCUBE-2278][RYN] add control mode for accordion item #1444 to v3
• Tweaked detection of item collapse/expand state in unit tests as the actual style is not computed

Checklist

• Changes follow the project guidelines in CONTRIBUTING.md and CONVENTIONS.md
• Looks good on mobile and tablet
• Updated documentation
• Added/updated unit tests
• Added/updated E2E tests