refactor: enable address options when multiple addresses selected

[shahin-hq]

Summary

Closes some part of: https://app.clickup.com/t/86dvv87dm

Changelog:

• Enables address options dropdown when multiple addresses are selected
• Refactors send validator registration logic to support address selection
  • Fixes fee registration
  • Fixes back, error navigation routes

Screencast.from.2025-02-03.17-06-15.webm

Checklist

• My changes look good in both light AND dark mode
• The change is not hardcoded to a single network, but has multi-asset in mind
• I checked my changes for obvious issues, debug statements and commented code
• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

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Name	Status	Preview	Updated (UTC)
arkvault	✅ Ready (Inspect)	Visit Preview	Feb 3, 2025 2:39pm

[shahin-hq]

I am filtering out wallets with the given checks, otherwise it'd throw an error when checking w.isValidator() - it has to be synced before this check

[shahin-hq]

I had to implement such workaround to get the same behavior as it was. This will generate a primitive true-false-true and we will pass it to dependency array.