Use the univeral tresult in IComponent creation

src/wine-host/bridges/vst3.cpp

@@ -64,10 +64,11 @@ void Vst3Bridge::run() {
                     const size_t instance_id = generate_instance_id();
                     component_instances[instance_id] = std::move(component);
 
-                    return std::make_optional<YaComponent::CreateArgs>(
+                    return YaComponent::CreateArgs(
                         component_instances[instance_id], instance_id);
                 } else {
-                    return std::nullopt;
+                    // The actual result is lost here
+                    return UniversalTResult(Steinberg::kNotImplemented);
                 }
             },
             [&](const YaComponent::Destroy& request)