Parse field Cluster From Resource.Extensions in CLI

[SparkYuan]

1. Does this PR affect any open issues?(Y/N) and add issue references (e.g. "fix #123", "re #123".):

• N
• Y

2. What is the scope of this PR (e.g. component or file name):

pkg/kusionctl/cmd/apply
pkg/engine/states/local/

3. Provide a description of the PR(e.g. more details, effects, motivations or doc link):

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Other

1. Parse field Cluster From Resource.Extensions in CLI
2. Rollback yaml.v3 to v2 for a known bug in v3

4. Are there any breaking changes?(Y/N) and describe the breaking changes(e.g. more details, motivations or doc link):

• N
• Y

5. Are there test cases for these changes?(Y/N) select and add more details, references or doc links:

• Unit test
• Integration test
• Benchmark (add benchmark stats below)
• Manual test (add detailed scripts or steps below)
• Other

6. Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[coveralls]

Coverage decreased (-0.01%) to 72.622% when pulling 55f8a30 on SparkYuan:add_cluster_in_cli into 182d162 on KusionStack:main.

[adohe]

overall lgtm