[WIP] Address feedback on async creation cleanup changes

[Copilot]

• Understand the current async architecture in SevenZipArchive
• Identify the issue with OpenAsyncArchive methods in SevenZipFactory
• Update SevenZipFactory.OpenAsyncArchive methods to call SevenZipArchive.OpenAsyncArchive instead of casting sync OpenArchive
• Ensure cancellation tokens are passed through where available
• Test the changes
• Run code review and address feedback
• Run security scan

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