state the debris scrap value with the item icon, not the word

src/ui/selection/DebrisContent.h

@@ -2,6 +2,8 @@
 
 #include <vector>
 
+#include <QPixmap>
+
 #include "entt/entity/entity.hpp"
 
 #include "SelectionContent.h"
@@ -28,4 +30,8 @@ protected:
 private:
     std::vector<entt::entity> m_debris;
     StatRow*                  m_scrapRow;
+    // The bare scrap icon the row states its amount with, or null where there is no icon
+    // file and the row names the item in words instead (REQ-UI-DEBRIS-PANEL). Taken once:
+    // it depends on the card's font, not on the value.
+    QPixmap                   m_scrapIcon;
 };