Use autocomplete fields in country choice

[dominik-zeglen]

Resolves #3441

Pull Request Checklist

1. Privileged views and APIs are guarded by proper permission checks.
2. All visible strings are translated with proper context.
3. All data-formatting is locale-aware (dates, numbers, and so on).
4. Database queries are optimized and the number of queries is constant.
5. Database migration files are up to date.
6. The changes are tested.
7. The code is documented (docstrings, project documentation).
8. GraphQL schema and type definitions are up to date.
9. Changes are mentioned in the changelog.

[codecov]

Codecov Report

Merging #3443 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3443   +/-   ##
=======================================
  Coverage   89.75%   89.75%           
=======================================
  Files         237      237           
  Lines       12943    12943           
  Branches     1312     1312           
=======================================
  Hits        11617    11617           
  Misses        922      922           
  Partials      404      404

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[piotrgrundas]

You can simply toggle billing/shipping text

[patrys]

@piotrgrundas Not really, those are translated and you need to translate entire sentences.