[FIX] delivery: Fix ZeroDivisionError in shipping cost calculation

A `ZeroDivisionError` traceback  that occurs in `delivery/DeliveryCarrier:_get_packages_from_order` was caught by Sentry

Because in this part of the function

https://github.com/odoo/odoo/blob/c18064d717312287f5acba2fabeb77b2e1c01fb9/addons/delivery/models/delivery_carrier.py#L326-L335

if `total_weight === 0.0` then `total_full_packages` and `last_package_weight` will be null too.
And that will cause a `ZeroDivisionError` because of `total / len([])`

opw-3086602

closes odoo/odoo#107820

X-original-commit: a362e14ee62a5d9d2bcb08c4431994a96796ce1e
Signed-off-by: William Henrotin (whe) <whe@odoo.com>

addons/delivery/i18n/delivery.pot

@@ -994,6 +994,7 @@ msgstr ""
 #. module: delivery
 #. odoo-python
 #: code:addons/delivery/models/delivery_carrier.py:0
+#: code:addons/delivery/models/delivery_carrier.py:0
 #, python-format
 msgid ""
 "The package cannot be created because the total weight of the products in the"

addons/delivery/models/delivery_carrier.py

@@ -328,6 +328,9 @@ class DeliveryCarrier(models.Model):
             total_cost += self._product_price_to_company_currency(line.product_qty, line.product_id, order.company_id)
 
         total_weight = order._get_estimated_weight() + default_package_type.base_weight
+        if total_weight == 0.0:
+            weight_uom_name = self.env['product.template']._get_weight_uom_name_from_ir_config_parameter()
+            raise UserError(_("The package cannot be created because the total weight of the products in the picking is 0.0 %s") % (weight_uom_name))
         # If max weight == 0 => division by 0. If this happens, we want to have
         # more in the max weight than in the total weight, so that it only
         # creates ONE package with everything.