[fix] Fix PrivatizeFinalClassMethodRector in case of parent dynamic call #31713

Job	Run time
Run with Space in Directory	27s
PHPStan	1m 36s
Help and Version	24s
Commented Code	22s
Preload php-parser Order	21s
Composer Validate	21s
Compatible PHPStan versions	28s
Active Classes	33s
Check before/after test fixture on no-changes	55s
Check no "*.php" files in rules Fixture directory	16s
PHP Linter	35s
Finalize classes	27s
Check fixture classes are different to nodes	19s
Detect composer dependency issues	36s
	7m 40s

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