chore: [IEL-684] FCI - retry checks for signature request status

[soixdev91]

Short description

In this PR watchFciSignatureRequestRetrySaga has been improved so that a user getting an error even when he successfully sign ( for example doubled signature request, the first request with 200 status code not received by the app and a second one with error leading to a retry caused by an already signed request) now before retry we check the signature status.

List of changes proposed in this pull request

• watchFciSignatureRequestRetrySaga now checks the status (and expiry) of the freshly fetched signature request before deciding what to do

How to test

Start the app with the dev server and proxyman ready, start a FCI flow with a pending request and at the start of the flow take the */api/sign/v1/signature-requests/* raw response aside for later, then in the app get to the last step of the signing flow and just before completing the request:
Set on Proxyman the following "Map Local" rule:
*/api/sign/v1/signatures
HTTP/1.1 400 Bad Request
Then press on the app the sign button ( which will lead to retry screen FCI_TYP), and again on Proxyman set:
*/api/sign/v1/signature-requests/*
(paste the previously saved response changing only status":"WAIT_FOR_SIGNATURE" to status":"SIGNED")HTTP/1.1 200 OK....
Now the app should redirect the user to the signature completed screen.

Before	After
FCI.mov	Registrazione.schermo.2026-07-08.alle.14.58.20.mov

[github-actions]

PR Title Validation for conventional commit type

✅ All good! PR title follows the conventional commit type.

[github-actions]

Jira Pull Request Link

This Pull Request refers to Jira issues:

• IEL-684

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 62.92%. Comparing base (2ce0d5d) to head (6a0a12d).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #8306   +/-   ##
=======================================
  Coverage   62.91%   62.92%           
=======================================
  Files        1963     1963           
  Lines       37267    37272    +5     
  Branches     6284     6287    +3     
=======================================
+ Hits        23447    23453    +6     
  Misses      12436    12436           
+ Partials     1384     1383    -1     

Files with missing lines	Coverage Δ
apps/main-app/ts/features/fci/saga/index.ts	61.17% <100.00%> (+2.42%)	⬆️
...in-app/ts/features/fci/screens/FciRouterScreen.tsx	63.41% <100.00%> (+2.43%)	⬆️
...ps/main-app/ts/features/fci/store/actions/index.ts	100.00% <100.00%> (ø)

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