Sync eng/common directory with azure-sdk-tools for PR 1366 (#16506)
Sync eng/common directory with azure-sdk-tools for PR 1366 (#16506)

* Scan all duplicate artifacts which set hide to true

* Update eng/common/docgeneration/Generate-DocIndex.ps1

Co-authored-by: Wes Haggard <bac8a89fef25efd2c81bd803dbd39614d63d50cf@users.noreply.github.com>

* Update Generate-DocIndex.ps1

Co-authored-by: Sima Zhu <5fef37f6cbdb6842d05e30aec045f2f609cf3db2@microsoft.com>
Co-authored-by: Sima Zhu <d4240cdb7983fdb6beaa6416bf6a44c84cb67504@users.noreply.github.com>
Co-authored-by: Wes Haggard <bac8a89fef25efd2c81bd803dbd39614d63d50cf@users.noreply.github.com>
Azure/azure-sdk-for-python,Azure/azure-sdk-for-python,Azure/azure-sdk-for-python,Azure/azure-sdk-for-python