[FLINK-35334][flink-table] Split constructor of generated code if it is too large.

[littleeleventhwolf]

What is the purpose of the change

This pull request aims to split constructor of generated code if it is too large to be compiled.

Brief change log

• Override visitConstructorDeclaration to split it into multiple void functions.

Verifying this change

Please make sure both new and modified tests in this PR follow the conventions for tests defined in our code quality guide.

This change is already covered by existing tests, such as org.apache.flink.table.codesplit.JavaCodeSplitterTest#testSplitJavaCode.

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 applicable / docs / JavaDocs / not documented)

[flinkbot]

CI report:

• c49245b Azure: SUCCESS

Bot commands

The @flinkbot bot supports the following commands:

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

[littleeleventhwolf]

@flinkbot run azure

[littleeleventhwolf]

@flinkbot run azure

[snuyanzin]

there was a bug in the past which is the reason of failure
can you rebase it to be sure ci is passed?

[littleeleventhwolf]

@flinkbot run azure

[littleeleventhwolf]

@flinkbot run azure

[littleeleventhwolf]

@snuyanzin I rebase the newest master branch and CI is passed.

[snuyanzin]

Thanks for your contribution @littleeleventhwolf
it looks good to me
can you please also create backports (1.19, 1.20) and then all could be merged

[littleeleventhwolf]

@snuyanzin Thanks for your review. I create backports in #25688 and #25689 . PTAL.