[fix] Fix PrivatizeFinalClassMethodRector in case of parent dynamic call #31714

Job	Run time
Preload php-parser Order	26s
Run with Space in Directory	32s
Active Classes	21s
PHPStan	1m 32s
Composer Validate	20s
Commented Code	26s
Help and Version	25s
Check before/after test fixture on no-changes	24s
Finalize classes	27s
Check no "*.php" files in rules Fixture directory	23s
Detect composer dependency issues	27s
Check fixture classes are different to nodes	25s
PHP Linter	27s
Compatible PHPStan versions	17s
	6m 52s

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