[Storage] Support isSmbOauthEnabled when creating and updating storage accounts

[yifanz7]

Description

Mandatory Checklist

• Please choose the target release of Azure PowerShell. (⚠️Target release is a different concept from API readiness. Please click below links for details.)

  • General release
  • Public preview
  • Private preview
  • Engineering build
  • No need for a release

• Check this box to confirm: I have read the Submitting Changes section of CONTRIBUTING.md and reviewed the following information:

• SHOULD update ChangeLog.md file(s) appropriately
  • Update src/{{SERVICE}}/{{SERVICE}}/ChangeLog.md.
    • A snippet outlining the change(s) made in the PR should be written under the ## Upcoming Release header in the past tense.
  • Should not change ChangeLog.md if no new release is required, such as fixing test case only.
• SHOULD regenerate markdown help files if there is cmdlet API change. Instruction
• SHOULD have proper test coverage for changes in pull request.
• SHOULD NOT adjust version of module manually in pull request

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[Copilot]

Pull Request Overview

This PR adds support for the EnableSmbOAuth parameter to the New-AzStorageAccount and Set-AzStorageAccount cmdlets, allowing users to configure whether managed identities can access SMB shares using OAuth authentication when creating or updating storage accounts.

• Adds new EnableSmbOAuth parameter to both cmdlets with appropriate validation and help text
• Implements support for the SMB OAuth settings in the Azure Files identity-based authentication configuration
• Updates the PowerShell model classes to include SMB OAuth settings support

Reviewed Changes

Copilot reviewed 52 out of 99 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
SetAzureStorageAccount.cs	Adds EnableSmbOAuth parameter and implementation for updating storage accounts
NewAzureStorageAccount.cs	Adds EnableSmbOAuth parameter and implementation for creating storage accounts
PSAzureFilesIdentityBasedAuthentication.cs	Adds PSSmbOAuthSettings model class and integration
ChangeLog.md	Documents the new feature in the changelog
Test session recordings	Updates API version references from 2024-01-01 to 2025-01-01

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