I believe this is a bug and not a mere suggestions: with the Scrap Merchant fix in past few patches, you cannot press the ship's icon to just sell maximum amount of ships as your storage allows; if you do not have the storage, there is no calculation for maximum possible amount of ships, and nothing happens. You have to try to insert, first, half of ships, them a little more, then again a little more ... And this gets tedious.
Previously, you could just insert very large number, for instance, and it would automatically max out to the number of ships you can sell according to your storage levels.
I think this needs to be fixed.
But I approve that the Scrap Merchant got a little love. Previously you could not even insert numbers (only if you insert them very quickly).
I hope Gameforge is not done with the Scrap Merchant for another few years...