{AKS} Fix snapshot not resolved according to the subscriptions field in the --snapshot-id option

[FumingZhang]

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This checklist is used to make sure that common guidelines for a pull request are followed.

Fix the issue where snapshot is not resolved according to the subscriptions field in the --snapshot-id option. Otherwise, when the subscription specified by --snapshot-id is inconsistent with the currently logged in subscription, an attempt will be made to obtain the corresponding snapshot through the currently logged in subscription, resulting in an error that the resource cannot be found. See sibling PR #23077.

Related command

• az aks create
• az aks nodepool add

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• Have you run azdev style <YOUR_EXT> locally? (pip install azdev required)
• Have you run python scripts/ci/test_index.py -q locally?

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[yonzhan]

AKS