1627 checkout improvement

[akjanik]

Fixes #1627

Before

After

Pull Request Checklist

(Please keep this section. It will make maintainer's life easier.)

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. The changes are tested.
6. The code is documented (docstrings, project documentation).
7. Python code quality checks pass: pycodestyle, pydocstyle, pylint.
8. JavaScript code quality checks pass: eslint.

[codecov-io]

Codecov Report

Merging #1643 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1643   +/-   ##
=======================================
  Coverage   82.54%   82.54%           
=======================================
  Files         136      136           
  Lines        5913     5913           
  Branches      650      650           
=======================================
  Hits         4881     4881           
  Misses        866      866           
  Partials      166      166

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