Revert "UI: Remove macOS-Default Full Screen Menu Item"

This reverts commit cf445be44c.

Did not mean to merge this. #4768

UI/obs-app.cpp

@@ -2674,10 +2674,6 @@ int main(int argc, char *argv[])
 	}
 #endif
 
-#ifdef __APPLE__
-	DisableFullScreenViewMenuItem();
-#endif
-
 #ifdef _WIN32
 	obs_init_win32_crash_handler();
 	SetErrorMode(SEM_FAILCRITICALERRORS);