Fix task filter by a level

[Guryanov-Maksim]

No description provided.

[codecov-commenter]

Codecov Report

Base: 73.18% // Head: 73.36% // Increases project coverage by +0.18% 🎉

Coverage data is based on head (acc99a0) compared to base (3e5ce7d).
Patch has no changes to coverable lines.

❗ Current head acc99a0 differs from pull request most recent head 44fca29. Consider uploading reports for the commit 44fca29 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1183      +/-   ##
==========================================
+ Coverage   73.18%   73.36%   +0.18%     
==========================================
  Files         136      136              
  Lines        2711     2711              
==========================================
+ Hits         1984     1989       +5     
+ Misses        727      722       -5     

Impacted Files	Coverage Δ
...es/app/lib/codebattle_web/channels/game_channel.ex	87.75% <0.00%> (+2.04%)	⬆️
services/app/lib/codebattle/bot/server.ex	83.09% <0.00%> (+5.63%)	⬆️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.