Fix tax settings updating

[dominik-zeglen]

I want to merge this change because it fixes inability to save taxes settings
Resolves #80

Pull Request Checklist

1. All visible strings are translated with proper context.
2. All data-formatting is locale-aware (dates, numbers, and so on).
3. Translated strings are extracted to .pot file.
4. Number of API calls is optimized.
5. The changes are tested.
6. Type definitions are up to date.
7. Changes are mentioned in the changelog.

[codecov]

Codecov Report

Merging #243 into master will not change coverage.
The diff coverage is 66.66%.

@@           Coverage Diff           @@
##           master     #243   +/-   ##
=======================================
  Coverage   73.97%   73.97%           
=======================================
  Files         591      591           
  Lines        6195     6195           
  Branches     1040     1040           
=======================================
  Hits         4583     4583           
  Misses       1430     1430           
  Partials      182      182

Impacted Files	Coverage Δ
src/components/SaveButtonBar/SaveButtonBar.tsx	69.23% <ø> (ø)	⬆️
src/storybook/stories/taxes/CountryListPage.tsx	57.14% <ø> (ø)	⬆️
...xes/components/CountryListPage/CountryListPage.tsx	90.9% <66.66%> (ø)	⬆️

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