{AKS} Update v2 managed cluster decorator - part 1

[FumingZhang]

---

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

• Sync web app routing, PR aks-preview: feature support for web application routing #4872
• Sync custom ca trust, PR {AKS} Add Custom CA Trust to CLI #4782

Related command

General Guidelines

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

For new extensions:

• My extension description/summary conforms to the Extension Summary Guidelines.

About Extension Publish

There is a pipeline to automatically build, upload and publish extension wheels.
Once your pull request is merged into main branch, a new pull request will be created to update src/index.json automatically.
The precondition is to put your code inside this repository and upgrade the version in the pull request but do not modify src/index.json.

[yonzhan]

AKS