message: Change type to int to silence warning in ProductListBox
diff: @@ -18,7 +18,7 @@ class ProductListBox : public ListBoxBase
  public:
  struct ProductListBoxItem : public ListBoxItem
  {
  - std::size_t count = 0; /**< Count of the product. */
  + int count = 0; /**< Count of the product. */
  float usage = 0.0f; /**< Usage of available capacity. */
  };
  