[stable8] fix(NcAppSidebarTab): Reduce pill height

[kra-mo]

Backport of #8547

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46.85%. Comparing base (268f0e0) to head (e8f3624).

Additional details and impacted files

@@           Coverage Diff            @@
##           stable8    #8553   +/-   ##
========================================
  Coverage    46.85%   46.85%           
========================================
  Files          195      195           
  Lines         4926     4926           
  Branches      1268     1205   -63     
========================================
  Hits          2308     2308           
- Misses        2529     2531    +2     
+ Partials        89       87    -2     

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