front: display new warnings in stdcm

[clarani]

closes #9299

Display a warning if the infra is loading or if the user launches a request when some waypoints do not have a location

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 0% with 67 lines in your changes missing coverage. Please review.

Project coverage is 39.14%. Comparing base (665e2b6) to head (943acc3).
Report is 2 commits behind head on dev.

Files with missing lines	Patch %	Lines
...rc/applications/stdcmV2/components/StdcmConfig.tsx	0.00%	31 Missing ⚠️
...plications/stdcmV2/utils/checkStdcmConfigErrors.ts	0.00%	15 Missing and 1 partial ⚠️
...pplications/stdcmV2/components/StdcmWarningBox.tsx	0.00%	13 Missing ⚠️
front/scripts/i18n-checker.ts	0.00%	5 Missing ⚠️
...applications/stdcmV2/hooks/useStaticPathfinding.ts	0.00%	2 Missing ⚠️

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Additional details and impacted files

@@             Coverage Diff              @@
##                dev    #9314      +/-   ##
============================================
- Coverage     39.17%   39.14%   -0.03%     
  Complexity     2245     2245              
============================================
  Files          1290     1290              
  Lines         97241    97282      +41     
  Branches       3280     3280              
============================================
- Hits          38093    38083      -10     
- Misses        57209    57260      +51     
  Partials       1939     1939              

Flag	Coverage Δ
core	74.94% <ø> (ø)
editoast	72.39% <ø> (-0.04%)	⬇️
front	10.33% <0.00%> (-0.01%)	⬇️
gateway	2.50% <ø> (ø)
osrdyne	3.52% <ø> (ø)
railjson_generator	87.49% <ø> (ø)
tests	86.71% <ø> (ø)

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[SharglutDev]

Lgtm and tested