long click on product => provide more info in the popup
it would be nice to have in this popup
- product reference (usefull for re-ordering the same product),
- current stock
- price bought (to decide how much we can reduce the price while facing the Customer)
- link to open product edition page within pasteque server in an external browser
and 3 buttons (instead of 2)
- 'OK' to go back to normal scren
- 'return' to return product (-1)
- 'add' to add product to cart (+1)