[dx] Make registration of custom NodeVisitor is easier #31503

Job	Run time
PHPStan	1m 30s
Run with Space in Directory	26s
Preload php-parser Order	23s
Composer Validate	18s
Commented Code	18s
Check before/after test fixture on no-changes	21s
Help and Version	20s
Active Classes	22s
Compatible PHPStan versions	16s
PHP Linter	24s
Finalize classes	32s
Check no "*.php" files in rules Fixture directory	16s
Detect composer dependency issues	23s
Check fixture classes are different to nodes	17s
	6m 6s

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