Improve l10n in solved problems table

[int-y1]

Let French use commas.

[codecov-commenter]

Codecov Report

Base: 46.44% // Head: 46.44% // No change to project coverage 👍

Coverage data is based on head (721033f) compared to base (721033f).
Patch has no changes to coverable lines.

❗ Current head 721033f differs from pull request most recent head 8e40d86. Consider uploading reports for the commit 8e40d86 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2063   +/-   ##
=======================================
  Coverage   46.44%   46.44%           
=======================================
  Files         236      236           
  Lines       13072    13072           
=======================================
  Hits         6071     6071           
  Misses       7001     7001           

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[Xyene]

LGTM, thanks