fix: demolish did not return blocks

src/ui/GameWorldView.cpp

@@ -958,7 +958,7 @@ void GameWorldView::mousePressEvent(QMouseEvent* event)
                 || b->type == BuildingType::PlayerDefenceStation);
             if (!protected_)
             {
-                m_sim->buildings().demolish(hovered);
+                m_sim->demolish(hovered);
                 m_demolishHoverId = kInvalidEntityId;
             }
         }