Transaction Analysis allow unknown accounts

[GhenadieVP]

Allow transaction manifests which contain unknown accounts which to require signatures. The Wallet should not reject such transactions.

References:

• https://rdxworks.slack.com/archives/C031A0V1A1W/p1734036514557019?thread_ts=1733976138.385129&cid=C031A0V1A1W
• https://rdxworks.slack.com/archives/C031A0V1A1W/p1734356845160559

The new behaviour was introduced with Sargon, and we reject the manifest at the moment we try to extract the public keys to be sent to the GW. Old implementation, did allow for unknown accounts, see iOS for reference.

[GhenadieVP]

Still invalid for unknown persona. We might change it in the future, but feels strange for a manifest to contain an unknown persona.

[GhenadieVP]

The actual fix.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.3%. Comparing base (7b5f183) to head (460753c).
Report is 1 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #307   +/-   ##
=====================================
  Coverage   93.3%   93.3%           
=====================================
  Files       1109    1109           
  Lines      23547   23548    +1     
  Branches      79      79           
=====================================
+ Hits       21974   21975    +1     
  Misses      1558    1558           
  Partials      15      15           

Flag	Coverage Δ
kotlin	97.1% <ø> (ø)
rust	92.8% <100.0%> (+<0.1%)	⬆️
swift	94.8% <ø> (ø)

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Files with missing lines	Coverage Δ
...ctor_of_instances_required_to_sign_transactions.rs	66.6% <ø> (ø)
...rgon/src/signing/collector/signatures_collector.rs	88.1% <ø> (ø)
...rc/signing/extractor_of_entities_requiring_auth.rs	100.0% <100.0%> (ø)
...s/sargon/src/system/sargon_os/sargon_os_signing.rs	64.8% <ø> (ø)
..._os/transactions/sargon_os_transaction_analysis.rs	83.1% <ø> (ø)