[12.0][IMP] l10n_be_cooperator: backport changes from migration to 14.0

[huguesdk]

changes

• some code fixes, refactoring and cleanup.
• improve user-facing strings and fr_be translation.

[codecov-commenter]

Codecov Report

Merging #380 (5087dce) into 12.0 (ab36706) will increase coverage by 0.14%. The diff coverage is 55.55%.

@@            Coverage Diff             @@
##             12.0     #380      +/-   ##
==========================================
+ Coverage   57.07%   57.21%   +0.14%     
==========================================
  Files          96       96              
  Lines        3464     3450      -14     
  Branches      541      541              
==========================================
- Hits         1977     1974       -3     
+ Misses       1408     1397      -11     
  Partials       79       79              

Impacted Files	Coverage Δ
l10n_be_cooperator/models/mail_template.py	20.83% <0.00%> (+0.83%)	:arrow_up:
l10n_be_cooperator/models/subscription_request.py	80.00% <66.66%> (+41.11%)	:arrow_up:
...0n_be_cooperator/models/tax_shelter_declaration.py	38.67% <100.00%> (ø)

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[huguesdk]

Did you generate the .pot with click-odoo ?

yes, with click-odoo-makepot. is that ok?

[victor-champonnois]

Did you generate the .pot with click-odoo ?

yes, with click-odoo-makepot. is that ok?

Yes ! :+1:

[huguesdk]

@cathLemb or @polchampion: could you please validate this functionally? it is deployed on the test servers (on all dbs, and should work on a new db also, of course). all changes are listed in the description.

[huguesdk]

/ocabot merge minor

[github-grap-bot]

This PR looks fantastic, let's merge it! Prepared branch 12.0-ocabot-merge-pr-380-by-huguesdk-bump-minor, awaiting test results.

[github-grap-bot]

Congratulations, your PR was merged at 759b93d71ec96481ff0597a9d41393077dae0d9a. Thanks a lot for contributing to coopiteasy. ❤️