front: remove useless requests when deleting projects, studies, scenari

[clarani]

closes #10008
closes #7752

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.58%. Comparing base (f4e0c84) to head (503601a).
Report is 26 commits behind head on dev.

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Additional details and impacted files

@@            Coverage Diff             @@
##              dev   #10091      +/-   ##
==========================================
+ Coverage   82.56%   82.58%   +0.02%     
==========================================
  Files        1084     1084              
  Lines      107256   107287      +31     
  Branches      728      729       +1     
==========================================
+ Hits        88558    88608      +50     
+ Misses      18657    18637      -20     
- Partials       41       42       +1     

Flag	Coverage Δ
editoast	74.39% <ø> (-0.02%)	⬇️
front	90.51% <100.00%> (+0.03%)	⬆️
gateway	2.18% <ø> (ø)
osrdyne	3.28% <ø> (ø)
railjson_generator	87.58% <ø> (ø)
tests	87.91% <ø> (ø)

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[SharglutDev]

Ping :)

[SharglutDev]

Lgtm and tested, nice !

One thing though, we use a custom hook called useMultiSelection that update the list of project/study/scenario regardless of what rtk-query does/return. It was necessary before because of our flaky use of the endpoints but now that you made these changes, we probably don't need this other item list state. This could be handled in another PR ?

[clarani]

Yes sure, this can be handled in another PR 👍

[emersion]

LGTM!