[FLINK-36070][flink-runtime-web] Modifying web UI to adapt to Incremental JobGraph Generation

[yuchen-ecnu]

What is the purpose of the change

• Modify web ui to support job graph auto-refresh for Incremental JobGraph Generation.

Brief change log

• Modify the web ui to display the incremental job graph and the unconverted stream node.
• Add a new checkbox in the webui to select whether to display the unconverted stream node or not.

Verifying this change

This change is a frontend(UI) work and are not covered by tests.

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

• Dependencies (does it add or upgrade a dependency): (yes / no)
• The public API, i.e., is any changed class annotated with @Public(Evolving): (yes / no)
• The serializers: (yes / no / don't know)
• The runtime per-record code paths (performance sensitive): (yes / no / don't know)
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (yes / no / don't know)
• The S3 file system connector: (yes / no / don't know)

Documentation

• Does this pull request introduce a new feature? yes
• If yes, how is the feature documented? not applicable

Preview

[flinkbot]

CI report:

• 02bc2ff Azure: FAILURE

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