Fixes enum codegen value cases (#44654)

Summary:
Fixes https://github.com/facebook/react-native/issues/44632

## Changelog:

[GENERAL] [FIXED] - [codegen] Fixes enum codegen value cases

Pull Request resolved: https://github.com/facebook/react-native/pull/44654

Test Plan: https://github.com/facebook/react-native/issues/44632

Reviewed By: cipolleschi, dmytrorykun

Differential Revision: D58135645

Pulled By: cortinico

fbshipit-source-id: 5c0634ef1d1d7375d2ecfcf7f916d67fd39b7300