Sort cargo like default inventory sort order in game & like EFT export

gui/builtinAdditionPanes/cargoView.py

@@ -151,7 +151,7 @@ class CargoView(d.Display):
         self.original = fit.cargo if fit is not None else None
         self.cargo = stuff = fit.cargo if fit is not None else None
         if stuff is not None:
-            stuff.sort(key=lambda cargo: cargo.itemID)
+            stuff.sort(key=lambda c: (c.item.group.category.name, c.item.group.name, c.item.name))
 
         if event.fitID != self.lastFitId:
             self.lastFitId = event.fitID