feat: Resolve low framerate during song select for IIDX32+

> caused by bad code around thumbnail fetching logic including file checks in every draw call, see #4
> added `hooks::wmisc` for linux specific minor performance fixes and similar

hooks/sndbhook.cpp

@@ -494,7 +494,7 @@ private:
     static snd_bank *cache_;
     static size_t cachesz_;
     static avcodec::pcm_resampler_t resampler_;
-    friend void hooks::soundbank::init(HINSTANCE hmodule, const char *ext);
+    friend void hooks::soundbank::init(HINSTANCE hmodule, const char *model, const char *ext);
 
     uint8_t uid_;
     uint32_t mnt_;
@@ -872,7 +872,7 @@ void run_tests()
     snd_bank::flush_cache();
     mf_broken::deinit();
 }
-void init(HINSTANCE hmodule, const char *ext)
+void init(HINSTANCE hmodule, const char *model, const char *ext)
 {
     if (false && IsDebuggerPresent())
     {