Add tc tags for e2e tests

[dominik-zeglen]

I want to merge this change because it allows grabbing DOM elements and interacting with them by test-cafe.

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. Number of API calls is optimized.
4. The changes are tested.
5. Type definitions are up to date.
6. Changes are mentioned in the changelog.

[codecov]

Codecov Report

Merging #134 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #134      +/-   ##
==========================================
+ Coverage   88.09%   88.09%   +<.01%     
==========================================
  Files         703      703              
  Lines       11055    11058       +3     
  Branches      927      928       +1     
==========================================
+ Hits         9739     9742       +3     
  Misses       1161     1161              
  Partials      155      155

Impacted Files	Coverage Δ
src/components/messages/MessageManager.tsx	62.06% <ø> (ø)	⬆️
...components/ProductAttributes/ProductAttributes.tsx	93.18% <ø> (ø)	⬆️
...onents/ProductOrganization/ProductOrganization.tsx	100% <ø> (ø)	⬆️
...ductVariantAttributes/ProductVariantAttributes.tsx	93.1% <ø> (ø)	⬆️
...ponents/TablePagination/TablePaginationActions.tsx	92.59% <ø> (ø)	⬆️
src/auth/components/LoginPage/LoginPage.tsx	96% <ø> (ø)	⬆️
src/components/ImageTile/ImageTile.tsx	92.3% <ø> (ø)	⬆️
...roducts/components/ProductImages/ProductImages.tsx	90.69% <ø> (ø)	⬆️
src/components/SaveButtonBar/SaveButtonBar.tsx	82.35% <ø> (ø)	⬆️
...cts/components/ProductListPage/ProductListPage.tsx	93.18% <ø> (ø)	⬆️
... and 4 more

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