Add cmdlets for ADL deleted items seach and restore

[akaguptams]

Description

Add cmdlets for ADL deleted items enumerate and restore
Design: https://github.com/Azure/azure-powershell-cmdlet-review-pr/issues/227

Checklist

• [ Yes ] I have read the Submitting Changes section of CONTRIBUTING.md
• [ Yes ] The title of the PR is clear and informative
• [ Yes ] The appropriate change log has been updated
• [ Yes ] The PR does not introduce breaking changes
• [ Yes ] If applicable, the changes made in the PR have proper test coverage
• [ Yes ] For public API changes to cmdlets:
  • [ Yes ] the changes have gone through a cmdlet design review (Microsoft internal partners only)
  • the cmdlet markdown files were generated using the platyPS module

[adxsdkps]

Can one of the admins verify this patch?

[maddieclayton]

@azuresdkci Add to whitelist

[maddieclayton]

@akaguptams To get the tests to pass, please be sure to copy your newly recorded tests from DataLakeStore.Test/bin/Debug/netcoreapp2.1/SessionRecords into DataLakeStore.Test/SessionRecords. Right now they seem to be missing from this PR.

[akaguptams]

@maddieclayton I have added the json files now from the recorded tests.

[maddieclayton]

@akaguptams Please fix help validation errors: https://azuresdkci.westus2.cloudapp.azure.com/job/powershell/10736/artifact/artifacts/ValidateHelpIssues.csv/*view*/

[akaguptams]

@maddieclayton I have fixed the help files.