[FLINK-34029][runtime-web] Support different profiling mode on Flink WEB

[yuchen-ecnu]

What is the purpose of the change

This is a subtask of FLIP-375, which introduces the different profiling modes on the Flink Web for profiling Taskmanager & Jobmanager.

Brief change log

(for example:)

• Provide profiling mode selector and hint on Flink Web

Verifying this change

This change is a trivial rework / code cleanup without any test coverage.

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): no
• The serializers: (yes / no / don't know)
• The runtime per-record code paths (performance sensitive): no
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: no
• The S3 file system connector: no

Documentation

• Does this pull request introduce a new feature? yes
• If yes, how is the feature documented? not documented, it will be added in [FLINK-33436]

[flinkbot]

CI report:

• ba846dd Azure: SUCCESS

Bot commands

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• @flinkbot run azure re-run the last Azure build

[yuchen-ecnu]

Hi @Myasuka , do you have time to help review this PR.

[Myasuka]

Thanks for creating this PR. I think we can also provide links to the different modes in the descriptions.

[Myasuka]

Thanks for the update, LGTM.