[FLINK-34510][Runtime/State]Rename RestoreMode to RecoveryClaimMode

[spoon-lz]

What is the purpose of the change

As a subitem of FLIP-406,Rename RestoreMode to RecoveryClaimMode

Brief change log

Change the RestoreMode class name and variable name to RecoveryClaimMode

Verifying this change

This change is a minor rework and is already covered by existing tests.

Does this pull request potentially affect one of the following parts:

• Dependencies (does it add or upgrade a dependency): (no)
• The public API, i.e., is any changed class annotated with @Public(Evolving): (yes )
• The serializers: (no)
• The runtime per-record code paths (performance sensitive): (no)
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (yes)
• The S3 file system connector: (no)

Documentation

• Does this pull request introduce a new feature? (no)
• If yes, how is the feature documented? (not documented)