[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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