[FIX] point_of_sale: Creating pos order line with qty=0

Steps to reproduce:

1.Create pos order with two products.
2.One of the products, must be type="Stockable Product" and quantity=0.
3.Pay order.
4.Check order --> extra info --> picking

Bug:
picking state = Waiting Availability

In 9.0, the picking state is equal to "Done".

Fixes #18089
opw:751565

addons/point_of_sale/models/pos_order.py

@@ -628,7 +628,7 @@ class PosOrder(models.Model):
                     return_picking = Picking.create(return_vals)
                     return_picking.message_post(body=message)
 
-            for line in order.lines.filtered(lambda l: l.product_id.type in ['product', 'consu']):
+            for line in order.lines.filtered(lambda l: l.product_id.type in ['product', 'consu'] and not float_is_zero(l.qty, precision_digits=l.product_id.uom_id.rounding)):
                 moves |= Move.create({
                     'name': line.name,
                     'product_uom': line.product_id.uom_id.id,