editoast: add roles check to rolling stocks

[Wadjetz]

No description provided.

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 67.41573% with 29 lines in your changes missing coverage. Please review.

Project coverage is 36.85%. Comparing base (80973c5) to head (057c27f).
Report is 1 commits behind head on dev.

Files with missing lines	Patch %	Lines
editoast/src/views/rolling_stocks/mod.rs	65.62%	22 Missing ⚠️
editoast/src/views/light_rolling_stocks.rs	75.00%	6 Missing ⚠️
editoast/editoast_authz/src/builtin_role.rs	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff            @@
##                dev    #8362   +/-   ##
=========================================
  Coverage     36.84%   36.85%           
  Complexity     2175     2175           
=========================================
  Files          1279     1279           
  Lines        118794   118883   +89     
  Branches       3188     3188           
=========================================
+ Hits          43774    43817   +43     
- Misses        73135    73181   +46     
  Partials       1885     1885           

Flag	Coverage Δ
core	74.87% <ø> (ø)
editoast	66.04% <67.41%> (-0.06%)	⬇️
front	15.84% <ø> (ø)
gateway	2.20% <ø> (ø)
osrdyne	2.71% <ø> (ø)
railjson_generator	87.49% <ø> (ø)
tests	72.93% <ø> (ø)

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[hamz2a]

LGTM.