[IOCOM-2017] FIMS - Implicit consent for internal RP

[Vangaorth]

Short description

This PR adds support for internal Relying Parties, not requiring the user consents to exchange data since (latter) are not sent to a third party entity.

List of changes proposed in this pull request

• Add a new, optional metadata for Relying Party called isInternal (Boolean). Setting isInternal to true means that the external web services referenced by the client metadata (via redirectUri) is managed by PagoPA S.p.A.
• Authentication Requests originated by internal Relying Parties no longer require explicit consent by the citizen.

How to test

Test the authentication flow:

• isInternal: false -> will send the consents data and requires the confirm endpoint to be called
• isInternal: true -> does not send the consents and automatically follows the entire authentication flow

[codecov]

Codecov Report

Attention: Patch coverage is 11.11111% with 8 lines in your changes missing coverage. Please review.

Project coverage is 63.75%. Comparing base (e92e063) to head (6daa4f5).
Report is 5 commits behind head on master.

Files with missing lines	Patch %	Lines
src/features/fims/routers/providerRouter.ts	11.11%	8 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #447      +/-   ##
==========================================
- Coverage   63.85%   63.75%   -0.11%     
==========================================
  Files         167      166       -1     
  Lines        5437     5410      -27     
  Branches      746      743       -3     
==========================================
- Hits         3472     3449      -23     
+ Misses       1964     1960       -4     
  Partials        1        1              

Files with missing lines	Coverage Δ
src/config.ts	96.15% <ø> (ø)
src/features/fims/routers/relyingPartyRouter.ts	15.04% <ø> (ø)
src/features/fims/types/config.ts	100.00% <ø> (ø)
src/features/fims/routers/providerRouter.ts	8.38% <11.11%> (+0.16%)	⬆️

... and 1 file with indirect coverage changes

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[forrest57]

LGTM