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.h

@@ -5,16 +5,16 @@
  * Utility class to read a .STR file and extract the full file name.
  */
 
-#include <filesystem>
 #include <string>
 #include <vector>
 
 #include "common/common_types.h"
+#include "common/util/FileUtil.h"
 
 namespace decompiler {
 class StrFileReader {
  public:
-  explicit StrFileReader(const std::filesystem::path& file_path);
+  explicit StrFileReader(const fs::path& file_path);
   int chunk_count() const;
   const std::vector<u8>& get_chunk(int idx) const;
   std::string get_full_name(const std::string& short_name) const;
@@ -22,4 +22,4 @@ class StrFileReader {
  private:
   std::vector<std::vector<u8>> m_chunks;
 };
-}  // namespace decompiler
+}  // namespace decompiler