front: create train settings reducer

[clarani]

Move some actions from the commonConf to operationalStudiesConf since it is only used in the operational studies application

To merge after #10202

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 99.31507% with 1 line in your changes missing coverage. Please review.

Project coverage is 81.43%. Comparing base (9c5ee0d) to head (0937c60).
Report is 14 commits behind head on dev.

Files with missing lines	Patch %	Lines
...ockSelector/useStoreDataForRollingStockSelector.ts	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##              dev   #10194      +/-   ##
==========================================
- Coverage   81.44%   81.43%   -0.02%     
==========================================
  Files        1057     1058       +1     
  Lines      104212   104251      +39     
  Branches      720      724       +4     
==========================================
+ Hits        84875    84894      +19     
- Misses      19295    19315      +20     
  Partials       42       42              

Flag	Coverage Δ
editoast	73.59% <ø> (-0.05%)	⬇️
front	89.17% <99.31%> (-0.01%)	⬇️
gateway	2.18% <ø> (ø)
osrdyne	3.28% <ø> (ø)
railjson_generator	87.50% <ø> (ø)
tests	87.00% <ø> (ø)

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[achrafmohye]

Seems good to me thanks for the refacto :)

[SharglutDev]

Thank you for this clean up. Left some comments (you probably already thought of most of them for another PR 🙂)

[clarani]

@SharglutDev I added a comment about your remarks in this issue, if you want to have a look 😉

[SharglutDev]

Lgtm and tested, you can close the last remaining comments after reading them :)