Fix visibility of C++ TM spec library when focusing
Fix visibility of C++ TM spec library when focusing

Summary:
This fixes an oversight where focusing fails if a C++ TurboModule is in the build graph. See line 391 in `rn_codegen_components` that does the same thing.

Changelog:
Internal

Reviewed By: mdvacca

Differential Revision: D35663755

fbshipit-source-id: d7d2e0109fd536586292d333b7d53b7b2e948d86

janicduplessis/react-native,facebook/react-native,janicduplessis/react-native,janicduplessis/react-native,facebook/react-native,javache/react-native,janicduplessis/react-native,javache/react-native,janicduplessis/react-native,janicduplessis/react-native,facebook/react-native,javache/react-native,javache/react-native,javache/react-native,janicduplessis/react-native,facebook/react-native,facebook/react-native,janicduplessis/react-native,javache/react-native,facebook/react-native,facebook/react-native,javache/react-native,facebook/react-native,javache/react-native,facebook/react-native,javache/react-native