[FLINK-35902][ui] WebUI Metrics RangeError on huge parallelism

[ParyshevSergey]

What is the purpose of the change

Suggestion of a solution to the bug on WebUI related to non-displaying of metrics at large amount of operator parallelism.

Brief change log

Changed display of metrics menu: now when the number of metrics is increased, a message will be displayed that a part metrics will be displayed in the list, but the user will be able to find the desired metric through search.

Verifying this change

Local testing in job where operator parallelism is 1600.

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: no
• 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? no
• If yes, how is the feature documented? not documented

[flinkbot]

CI report:

• 7809aeb8dcb4a42c89bb6a38bede0136fc6631d0 Azure: SUCCESS

Bot commands

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

[github-actions[bot]]

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[github-actions[bot]]

This PR has been closed since it has not had any activity in 120 days. If you feel like this was a mistake, or you would like to continue working on it, please feel free to re-open the PR and ask for a review.