[java] implement #18032 add builder pattern to java client and spring generator

[wing328]

based on #18648

Fix #18032. Add a new configOptions: generateBuilders to java client and spring generators

The name of the option is the same as in JavaJAXSRSSpecServerCodeGen.

Spring + lombok: generateBuilders + generateConstructorWithAllArgs configOptions can be used instead of lombok.

The builder is not created when lombok.Data is configured (issue with fluent setters not generated)

Improve generation of no args constructor.
Also minor fix for the generateConstructorWithAllArgs and Lombok.AllArgsConstructor (there was some typos)

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cc @bbdouglas (2017/07) @sreeshas (2017/08) @jfiala (2017/08) @lukoyanov (2017/09) @cbornet (2017/09) @jeff9finger (2018/01) @karismann (2019/03) @Zomzog (2019/04) @lwlee2608 (2019/10) @martin-mfg (2023/08)
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[wing328]

thanks for the PR. let's give it a try

[jpfinne]

@wing328 The builder option is missing from the 7.6.0 release notes.
Is that on purpose because it is not production ready?

[wing328]

just updated it to highlight this change as well.

(the release notes are only the highlight, not the full list of changes)

[kevin1chun]

@wing328 is this available in java-webclient as well?

[jpfinne]

@kevin1chun I'm the main contributor of this feature.
I've not done tests with java-webclient. Nevertheless, the WebClient generator shares the same JavaCodeGen and pojo.mustache as the Resttemplate generator. So I would say yes, this is available for you.

Feedbacks are welcome