front: fix cities and PR overlap

[anisometropie]

fixes #3232

[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (459de94) 19.73% compared to head (dcd4ea8) 19.73%.

Files	Patch %	Lines
front/src/common/Map/Layers/OperationalPoints.tsx	0.00%	2 Missing ⚠️
front/src/common/Map/Layers/KPLabel.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##                dev    #5932   +/-   ##
=========================================
  Coverage     19.73%   19.73%           
  Complexity     2117     2117           
=========================================
  Files           910      910           
  Lines        108673   108673           
  Branches       2663     2663           
=========================================
  Hits          21452    21452           
  Misses        85650    85650           
  Partials       1571     1571           

Flag	Coverage Δ
front	8.43% <0.00%> (ø)

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[clarani]

LGTM, tested ✅
Thanks, this PR is great, the map is way clearer now !!