fix(WG): bind SkipClasses config to a local before Tokenize (#170)

Acore::Tokenize returns string_views into its argument and deletes its
rvalue overloads, so passing GetOption's temporary std::string directly
fails to compile. Store it in a named local so the views stay valid.

Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>

Author: Nyeriah

src/CFBG.cpp

@@ -102,7 +102,8 @@ void CFBG::LoadConfig()
     _IsEnableWGReapplyOnResurrect = sConfigMgr->GetOption<bool>("CFBG.Battlefield.ReapplyOnResurrect.Enable", true);
 
     _wgSkipClasses.clear();
-    for (auto const& token : Acore::Tokenize(sConfigMgr->GetOption<std::string>("CFBG.Battlefield.SkipClasses", ""), ',', false))
+    std::string const skipClasses = sConfigMgr->GetOption<std::string>("CFBG.Battlefield.SkipClasses", "");
+    for (auto const& token : Acore::Tokenize(skipClasses, ',', false))
     {
         if (Optional<uint8> playerClass = Acore::StringTo<uint8>(token))
             _wgSkipClasses.insert(*playerClass);