[stable32] fix(files.js): check,ether "show folder descr." is set or not

[backportbot]

Backport of PR #7788

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 53.39%. Comparing base (41cd415) to head (e09d7a9).
⚠️ Report is 8 commits behind head on stable32.

Additional details and impacted files

@@            Coverage Diff            @@
##           stable32    #7809   +/-   ##
=========================================
  Coverage     53.39%   53.39%           
=========================================
  Files           502      502           
  Lines         43552    43553    +1     
  Branches       1134     1134           
=========================================
+ Hits          23254    23255    +1     
  Misses        20191    20191           
  Partials        107      107           

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