extractor: cleanup, support unicode properly, and add multi-game support (#1609)

* extractor: refactor and cleanup for multi-game support

* deps: switch to `ghc::filesystem` as it is utf-8 everywhere by default

* extractor: finally working with unicode

* unicode: fix unicode cli args on windows in all `main` functions

decompiler/data/StrFileReader.cpp

@@ -14,7 +14,7 @@
 #include "game/common/str_rpc_types.h"
 
 namespace decompiler {
-StrFileReader::StrFileReader(const std::filesystem::path& file_path) {
+StrFileReader::StrFileReader(const fs::path& file_path) {
   auto data = file_util::read_binary_file(file_path);
   ASSERT(data.size() >= SECTOR_SIZE);      // must have at least the header sector
   ASSERT(data.size() % SECTOR_SIZE == 0);  // should be multiple of the sector size.