front: make stdcm path buttons clickable across the entire element

[achrafmohye]

Closes #9504

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 38.18%. Comparing base (ced78b4) to head (aa80eda).
Report is 4 commits behind head on dev.

Files with missing lines	Patch %	Lines
...ns/stdcm/components/StdcmForm/StdcmDefaultCard.tsx	0.00%	2 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #9894      +/-   ##
==========================================
- Coverage   38.19%   38.18%   -0.02%     
==========================================
  Files         998      998              
  Lines       92204    92204              
  Branches     1192     1192              
==========================================
- Hits        35220    35206      -14     
- Misses      56528    56542      +14     
  Partials      456      456              

Flag	Coverage Δ
editoast	73.34% <ø> (-0.05%)	⬇️
front	20.15% <0.00%> (ø)
gateway	2.18% <ø> (ø)
osrdyne	3.28% <ø> (ø)
railjson_generator	87.49% <ø> (ø)
tests	87.00% <ø> (ø)

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