Fixes several potential leaks

CInterface/Battling/ExecutingAttack.cpp

@@ -12,8 +12,7 @@ export_func u8 CreatureLib_ExecutingAttack_Construct(ExecutingAttack*& out, Crea
         for (size_t i = 0; i < targetCount; i++) {
             ls.Append(targets[i]);
         }
-        auto s = ArbUt::OptionalUniquePtr<BattleScript>(script);
-        out = new ExecutingAttack(ls, numberHits, user, attack, attackData, s);
+        out = new ExecutingAttack(ls, numberHits, user, attack, attackData, script);
     })
 }
 

CInterface/Battling/ScriptResolver.cpp

@@ -16,5 +16,5 @@ export_func u8 CreatureLib_ScriptResolver_LoadScript(BattleScript*& out, ScriptR
 
 export_func u8 CreatureLib_ScriptResolver_LoadItemScript(ItemUseScript*& out, ScriptResolver* p,
                                                          const CreatureLib::Library::Item* item) {
-    Try(out = p->LoadItemScript(item);)
+    Try(out = p->LoadItemScript(item).TakeOwnership();)
 };