[10.0][ADD] add delivery price simulation for cart

[acsonefho]

Forward port of delivery_carrier service (cherry-pick of acsone/odoo-shopinvader@d710b6a ).
And add possibility for the user to specify a country/zip code

Expected behaviour:
Based on country/zip, compute the delivery price of the existing cart (provided by session). Then it returns carrier information with adapted price.
The partner is not updated with the country/zip (it's only simulation).

Bonus:
I extract the abstract sale into a new python file to avoid confusion.

[codecov-io]

Codecov Report

Merging #352 into 10.0 will increase coverage by 0.13%.
The diff coverage is 98.68%.

@@            Coverage Diff             @@
##             10.0     #352      +/-   ##
==========================================
+ Coverage   89.36%   89.49%   +0.13%     
==========================================
  Files         139      141       +2     
  Lines        3619     3684      +65     
==========================================
+ Hits         3234     3297      +63     
- Misses        385      387       +2

Impacted Files	Coverage Δ
shopinvader_delivery_carrier/controllers/main.py	80% <ø> (-5.72%)	⬇️
...ader_delivery_carrier/services/delivery_carrier.py	100% <100%> (ø)
...nvader_delivery_carrier/models/delivery_carrier.py	100% <100%> (ø)
shopinvader_delivery_carrier/services/cart.py	95.55% <93.75%> (+0.81%)	⬆️
...invader_delivery_carrier/services/abstract_sale.py	93.75% <0%> (-6.25%)	⬇️

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[rousseldenis]

The behaviour has to be changed

[rousseldenis]

@lmignon

[lmignon]

The way it's implemented add a lot of burden on the cart service. Moreover a partner is really created into the DB to simulate the price computation (IMO this is against RGPD).
All the functionalities related to delivery should be provided by dedicated services. A first step has already been implemented for version 9.0 shopinvader/odoo-shopinvader-carrier#1 (comment) and provides a more modular approach and a cleaner code.

[lmignon]

We must wait for #325 since some code into this PR is also into the other

[rousseldenis]

Code review. Seems ok

[lmignon]

@acsonefho Can you take care of the comments from @simahawk PLZ

[simahawk]

@lmignon one thing more to add to #416 ;)

[lmignon]

/ocabot merge minor

[shopinvader-git-bot]

What a great day to merge this nice PR. Let's do it!
Prepared branch 10.0-ocabot-merge-pr-352-by-lmignon-bump-minor, awaiting test results.

[shopinvader-git-bot]

This PR has the approved label and has been created more than 5 days ago. It should therefore be ready to merge by a maintainer (or a PSC member if the concerned addon has no declared maintainer). 🤖

[shopinvader-git-bot]

Congratulations, your PR was merged at 43201c5. Thanks a lot for contributing to shopinvader. ❤️