Defer temp object Load/Unload to calling side

src/openrct2-ui/windows/ScenarioSelect.cpp

@@ -243,10 +243,10 @@ namespace OpenRCT2::Ui::Windows
                     return;
 
                 auto& objManager = GetContext()->GetObjectManager();
-
                 if (auto obj = objManager.LoadTempObject(source.textObjectId); obj != nullptr)
                 {
                     auto& scenarioMetaObj = reinterpret_cast<ScenarioMetaObject&>(*obj);
+                    scenarioMetaObj.Load();
 
                     ParkPreview preview{};
                     preview.images.push_back(scenarioMetaObj.GetMiniMapImage());

src/openrct2/object/ObjectManager.cpp

@@ -173,8 +173,6 @@ public:
         }
 
         auto object = _objectRepository.LoadObject(ori);
-        object->Load();
-
         return object;
     }
 

src/openrct2/rct1/S4Importer.cpp

@@ -276,8 +276,6 @@ namespace OpenRCT2::RCT1
                     auto& textObject = reinterpret_cast<ScenarioMetaObject&>(*obj);
                     name = textObject.GetScenarioName();
                     details = textObject.GetScenarioDetails();
-
-                    obj->Unload();
                 }
             }
 

src/openrct2/rct2/S6Importer.cpp

@@ -301,8 +301,6 @@ namespace OpenRCT2::RCT2
                     auto& textObject = reinterpret_cast<ScenarioMetaObject&>(*obj);
                     dst->Name = textObject.GetScenarioName();
                     dst->Details = textObject.GetScenarioDetails();
-
-                    obj->Unload();
                 }
             }