fix(fc): Adjust *today* border radius

[ChristophWurst]

Fixes #6183

Before	After

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 23.67%. Comparing base (2af617b) to head (8dbff4c).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #6236   +/-   ##
=========================================
  Coverage     23.67%   23.67%           
  Complexity      457      457           
=========================================
  Files           249      249           
  Lines         11774    11774           
  Branches       2203     2203           
=========================================
  Hits           2788     2788           
  Misses         8669     8669           
  Partials        317      317           

Flag	Coverage Δ
javascript	15.25% <ø> (ø)
php	59.53% <ø> (ø)

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