[clang][extract-api] Emit "navigator" property of "name" in SymbolGraph

clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp

clang/test/ExtractAPI/enum.c

clang/test/ExtractAPI/global_record.c

clang/test/ExtractAPI/global_record_multifile.c

clang/test/ExtractAPI/known_files_only.c

clang/test/ExtractAPI/known_files_only_hmap.c

clang/test/ExtractAPI/language.c

clang/test/ExtractAPI/macro_undefined.c

clang/test/ExtractAPI/macros.c

clang/test/ExtractAPI/objc_category.m

clang/test/ExtractAPI/objc_interface.m

clang/test/ExtractAPI/objc_protocol.m

clang/test/ExtractAPI/struct.c

clang/test/ExtractAPI/typedef.c

clang/test/ExtractAPI/typedef_anonymous_record.c

clang/test/ExtractAPI/typedef_chain.c