Fixes for ScriptSet throwing when adding a not yet found volatile script.

Signed-off-by: Deukhoofd <Deukhoofd@gmail.com>

CInterface/Battling/Battle.cpp

@@ -59,10 +59,10 @@ export BattleParty* const* CreatureLib_Battle_GetParties(const Battle* p) {
 
 export BattleScript* CreatureLib_Battle_GetVolatileScript(Battle* p, const char* key) {
     auto v = p->GetVolatileScript(ArbUt::StringView::CalculateHash(key));
-    if (!v.has_value()) {
+    if (!v.HasValue()) {
         return nullptr;
     }
-    return v.value();
+    return v.GetValue();
 }
 export uint8_t CreatureLib_Battle_AddVolatileScriptByName(Battle* p, const char* key) {
     Try(p->AddVolatileScript(ArbUt::StringView(key));)