App Config Fixing + Adding Samples

[mrm9084]

Description

• Fixes a test issue where all snapshots were listed, and test could fail if an archived snapshot expired during the test.
• Addes an Entra ID sample to the SDK
• Fixes an issue for live running of samples where the keys required for a snapshot didn't exist. Plus added a few things.
• Updated the Bleu sample after recent changes

[Copilot]

Pull request overview

This pull request adds Entra ID authentication samples and fixes issues in the App Configuration SDK samples to enable live execution. The changes update parameter names (credential_scopes to audience), reorganize imports, and enhance snapshot samples to create necessary configuration settings before snapshot operations.

Changes:

• Added new hello_world_entra_id_sample.py demonstrating Entra ID authentication
• Updated Bleu sample to use audience parameter instead of credential_scopes
• Enhanced snapshot samples to create required settings before snapshot creation
• Reorganized imports to follow Python best practices

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 7 comments.

File	Description
hello_world_entra_id_sample.py	New sample demonstrating Entra ID authentication (has documentation issues)
hello_world_sample_entra_id_and_bleu.py	Updated to use audience parameter and reorganized imports
snapshot_sample.py	Enhanced to create settings before snapshot, but critical code is commented out
async_snapshot_sample.py	Properly implements async snapshot creation with all necessary settings