[FIX] sale_stock_usability: fix order of lines in report method

sale_stock_usability/models/stock_picking.py

@@ -23,8 +23,10 @@ class StockPicking(models.Model):
         total_amount = 0.0
         total_weight_kg = 0.0
         lines = []
-        for line in self.move_line_ids:
-            move = line.move_id
+        # loop on stock.move AND THEN on stock.move.line to keep the order
+        # of the sale order lines
+        for move in self.move_ids:
+            for line in move.move_line_ids:
                 uom = line.product_uom_id
                 if uom.category_id.id == weight_uom_categ_id:
                     weight_kg_subtotal = uom._compute_quantity(line.qty_done, kg_uom)