fix: wallet reset from settings

[janek26]

BX-2036

Updated the wallet deletion logic to ensure we're using the most up-to-date list of wallets when determining whether to set a new current address. Instead of checking the length of the existing visibleWallets array, we now fetch the latest wallets data and check if there are any remaining wallets before potentially setting a new current address.

What to test

• On a fresh install, go to settings->wallets, select the only keychain and add a 2nd account. When it asks to set a name, cancel the dialog. Everything should work as expected now, before it was reseting the wallet
• Delete a wallet and verify that the current address is properly updated to another wallet if available
• Delete the last wallet and verify the behavior is correct
• Ensure wallet deletion works properly in all scenarios (single wallet, multiple wallets, etc.)
• Verify that wallet names and backups are properly deleted

[linear]

BX-2036 Wallet group deleted when backing out of account creation on a new account

[janek26]

• fix: wallet reset from settings #2091 👈 (View in Graphite)
• master

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