Fix disappearing products description

[dominik-zeglen]

I want to merge this change because it fixes bug causing description field to be cleared after selecting anything from dropdown input in product create view.

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 #259 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master     #259   +/-   ##
=======================================
  Coverage   73.97%   73.97%           
=======================================
  Files         604      604           
  Lines        6481     6481           
  Branches     1063     1063           
=======================================
  Hits         4794     4794           
  Misses       1501     1501           
  Partials      186      186

Impacted Files	Coverage Δ
...components/ProductCreatePage/ProductCreatePage.tsx	92.3% <100%> (ø)	⬆️

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