[DevCenter] SDK validation for TypeSpec swagger

[mzhongl524]

This is the SDK validation for DevCenter.
TSP link: Azure/azure-rest-api-specs#36201.

Changes:

• Add renaming, resource name and directive in the autorest file
• Add custom code

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[github-actions]

API Change Check

APIView identified API level changes in this PR and created the following API reviews

Azure.ResourceManager.DevCenter

[Copilot]

Pull Request Overview

This PR implements custom code additions for the Azure DevCenter Resource Manager SDK to handle missing parameters and breaking changes from TypeSpec swagger validation. The primary purpose is to maintain backward compatibility by providing deprecated method overloads that include the top parameter, and to restore functionality for image listing that had breaking changes.

• Add deprecated method overloads with top parameter for schedule-related operations
• Restore GetImages methods for DevCenterResource due to breaking changes in return type
• Add deprecated factory methods for backward compatibility in the model factory

Reviewed Changes

Copilot reviewed 5 out of 393 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
DevCenterScheduleResource.cs	Adds deprecated Get method overloads that accept top parameter but delegate to parameterless versions
DevCenterScheduleCollection.cs	Adds deprecated method overloads for Get, Exists, and GetIfExists operations with top parameter
DevCenterResource.cs	Restores GetImages methods that return DevCenterImageResource collections due to breaking changes
DevCenterPoolResource.cs	Adds deprecated GetDevCenterSchedule method overloads with top parameter
ArmDevCenterModelFactory.cs	Adds deprecated factory method overloads for backward compatibility with older parameter sets